U.S. Department of Transportation

Federal Aviation Administration

Washington, D.C.

Master Minimum Equipment List

Revision: 49

Date: 06/06/2012

Boeing

B-727-100/200

John N. LaBrow

Flight Operations Evaluation Board (FOEB)

Federal Aviation Administration

Flight Standards Division

AIRCRAFT EVALUATION OFFICE,  SEA-AEG

1601 Lind Ave. S.W.

Renton, Washington 98057-4056

Telephone:   (425) 917-6600

                                                              Fax:   (425) 917-6638

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-1

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-01

Air Conditioning Packs

 1) All Models Except

     727-100 in Class

     “E” Cargo  

     Configuration

C

2

1

(O) One may be inoperative provided altitude is limited to FL 250 or below.

   2) All Models Except

       Class “E”

       Configurations

C

2

0

(M)(O) One or both may be inoperative for

unpressurized flight.

  3) 727-100 All  

      Models in Class 

      “E” Cargo

      Configuration

C

2

1

(O) Left pack may be inoperative provided:

a)       Right pack operates normally, and

b)       Altitude is limited to FL 250 or below.

    4) 727-200 Air Cycle

        Machines (ACM)

C

2

1

(O) One may be inoperative provided:

a)       Bleed air to the associated pack is not turned on at TAT above +19 degrees C,

b)       Air is not supplied to an inoperative ACM,

c)       Associated pack is operated in MANUAL with mix valve operated from 3/8 full cold toward hot as required, and

d)       Ram air doors remain fully open during pack operation.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-2

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-02

Pack Air Shut-Off     Valves

 1) All Models Except

 727-100 And 727-

   100QF Class “E”

 Cargo    

 Configuration

C

2

0

(M) One or both may be inoperative closed provided associated pack is considered inoperative.

 2) 727-100 All

   Models in Class

   “E” Cargo

       Configuration

C

2

1

(M)(O) Left system valve may be inoperative closed provided left pack is considered inoperative.

 3) 727-200

C

2

0

(M)(O) One or both may be inoperative open, and pack(s) may be used provided:

a)       Associated flow control and shutoff

      valve operates normally, and

b)       APU air is not used.

   21-03

Pack Air Flow

Control Systems

 1) 727-100, 100QF

       Except Class

       “E” Cargo

     Configuration

C

2

0

(O) May be inoperative provided:

a)       Associated pack is considered inoperative, and

b)       Reference is made to AFM

       Performance Data for auto-pack trip

       system inoperative when appropriate.

 2) 727-100 All

       Models in Class

       “E” Cargo

       Configuration

C

2

1

(O) Left system may be inoperative provided:

a)       Reference is made to AFM Performance Data for auto-pack trip system inoperative when appropriate, and

b)       Left pack is considered inoperative.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-3

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

221-03

Pack Air Flow

Control Systems

(Cont’d)

 3) 727-200

C

2

0

(M)(O) One or both may be inoperative provided an associated pack is considered inoperative.

C

2

0

(M)(O) One or both may be inoperative provided:

a)       Associated pack may be utilized by using the override plunger on the flow control valve to open the valve, and

b)       Reference is made to AFM Performance Data for autopack trip system inoperative when appropriate.

 4) 727-200F

C

2

1

(O) One may be inoperative provided:

a)       Reference is made to AFM Performance Data for auto-pack trip system inoperative when appropriate,

b)       Override plunger on flow control valve is not used, and

c)       Associated pack is considered inoperative.

21-04

Pack Trip System

 1) All Models

C

2

0

(O) One or both warning light(s) may be inoperative provided associated overheat switches, duct pressure, and pack temperature gauges operate normally.

 2) 727-200

C

2

1

(O) One pack trip system may be inoperative provided associated duct pressure and pack temperature gauges operate normally, and associated pack is operated as follows:

a)       It is not turned on at TAT above

      19 degrees C,

b)       It is operated with MANUAL mix valve

      at least 3/8 from full cold position before

      and after supplying  bleed air, and

c)       Cooling doors are full open during pack operation.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-4

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-05

Pack Cooling Fans

 1) 727-100 Except

     Class “E” Cargo

     Configuration

C

2

0

(M)(O) One or both may be inoperative provided the associated pack is operated only in flight with the landing gear retracted.

 2) 727-100 All

     Models in Class  

     “E” Cargo

     Configuration

C

2

1

(M)(O) Left pack cooling fan may be inoperative provided the associated pack is operated only in flight with the landing gear retracted.

   3) 727-200

C

2

0

(M)(O) One or both may be inoperative provided the associated pack is operated only in flight with the landing gear and flaps retracted.

   4) 727-200F and

       727-200 Cargo

       Conversions

       Operated In Class

       “E” Configurations

C

2

1

(M)(O) Either pack cooling fan may be inoperative provided:

a)       Associated pack is operated only in

      flight with landing gear and flaps

      retracted, and

b)       On airplanes with Smoke Control 

      System: Normal, Abnormal, and

      Emergency Procedures are developed

      and used requiring the associated pack

      to be shut OFF before selecting the

      Smoke Control Switch ON.

21-06

Cooling Fan Air Inlet Door Actuators

   1) All Models Except

       Class “E” Cargo

       Configuration

C

2

0

(O) One or both may be inoperative CLOSED provided associated pack(s) are operated only

in flight with flaps retracted.

   2) 727-100 All

       Models in Class

       “E” Cargo

       Configuration

C

2

1

(O) Left door actuator may be inoperative CLOSED or partially CLOSED provided associated pack is considered inoperative.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-5

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-06

Cooling Fan Air Inlet Door Actuators

(Cont’d)

   2) 727-100 All

        Models in Class

        “E” Cargo

        Configuration

        (Cont’d)

C

2

1

(O) Left door actuator may be inoperative CLOSED or partially CLOSED provided associated pack is operated only in flight with

the flaps retracted.

   3) 727-200F and

       727-200 Cargo

       Conversions

       Operated In Class

       “E” Configurations

C

2

1

(O) Either door actuator may be inoperative CLOSED provided associated pack is

considered inoperative.

C

2

1

(O) Either door actuator may be inoperative CLOSED provided:

a)       Associated pack is operated only in

      flight with flaps retracted, and

b)       On airplanes with Smoke Control System: Normal, Abnormal, and Emergency Procedures are developed and used requiring the associated pack to be shut OFF before selecting the Smoke Control Switch ON.

NOTE: With an approved inlet cover, door is 

            considered closed.

   4) 727-100 and

       727-100QF

C

2

0

(O) One or both may be inoperative OPEN.

   5) 727-200 Except

       Class “E” Cargo

       Configuration

C

2

0

(O) One or both may be inoperative OPEN or PARTIALLY OPEN provided associated pack(s) is considered inoperative.

   6) 727-200F and

       727-200 Cargo

       Conversions

       Operated in Class

       “E” Configurations

C

2

1

Either may be inoperative OPEN or PARTIALLY OPEN provided associated pack is considered inoperative.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-6

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-07

Pack Cooling Air Modulation System

   1) Pack Cooling 

       Doors Manual

       Control System

C

2

0

(M)(O) One or both may be inoperative provided associated systems are secured fully open.

C

2

0

(O) One or both may be inoperative provided an Automatic control mode operates normally.

C

2

1

(M)(O) One may be inoperative other than fully open provided:

a)       Pack cooling door is deactivated,

b)       Pack is operated in MANUAL, and in flight only with landing gear and flaps retracted,

c)       Pack startup is made with mix valve set at 1/3 from full cold, or warmer, and

d)       Pack temperature is monitored

      continuously.

C

2

1

(M)(O) One may be inoperative other than

fully open provided an Automatic control

mode operates normally.

   2) Pack Cooling

       Doors Automatic

       Control System

C

2

0

(O) One or both may be inoperative provided Manual control mode operates normally.

C

2

0

(M)(O) One or both may be inoperative provided associated system(s) are secured fully open.

C

2

1

(M)(O) One may be inoperative other than fully open provided Manual control mode operates normally.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-7

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-07

Pack Cooling Air Modulation System

(Cont’d)

 2) Pack Cooling

       Doors Automatic

       Control System

     (Cont’d)

C

2

1

(M)(O) One may be inoperative other than fully open provided:

a)       Pack cooling door is deactivated,

b)       Pack is operated in MANUAL, and in flight only with landing gear and flaps retracted,

c)       Pack startup is made with mix valve

      set 1/3 from full cold, or warmer, and

d)       Pack temperature is monitored continuously.

21-08

Pack Cooling Door Position Indicators

C

2

0

(O) One or both may be inoperative provided associated pack trip warning system or pack temperature gauge operates normally.

C

2

0

(O) One or both may be inoperative provided associated pack cooling door(s) remain full open.

21-09

Pack Cooling Air Modulation System Temperature Limit Switches

C

2

0

(O) One or both may be inoperative provided:

a)       Associated pack temperature indicator and pack trip warning system operate normally, and

b)       Manual operations of pack cooling

      doors are confirmed.

C

2

0

(O) One or both may be inoperative provided associated pack cooling door(s) remain fully open during pack operation.

21-10

Pack Temperature Gauges

C

2

0

(O) One or both may be inoperative provided associated pack trip warning system operates normally.

C

2

0

(O) One or both may be inoperative provided associated pack cooling door(s) remain fully open during pack operation.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-8

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-11

Air Mix Valves

   1) All models Except

       Class “E” Cargo

       Configuration(s)

C

2

0

(M) May be inoperative provided associated

pack is considered inoperative and is not used.

  2) 727-100C In Class

      “E” Cargo

      Configuration

    a) Right Valve

C

1

0

(M) May be inoperative provided:

a)       Valve is deactivated in the full cold position,

b)       Right pack operates with the valve in the full cold position for smoke removal procedure, and

c)       Left pack operates normally.

     b) Left Valve

C

1

0

(M)(O) May be inoperative provided:

a)       Right pack operates normally, and

b)       Left pack is considered inoperative and is not used.

   3) 727-200F

C

2

1

Either Left or right valve may be inoperative provided associated pack is considered inoperative and is not used.

21-12

Air Mix Valve

Position Indicators

C

2

0

21-13

Cabin Rate of

Climb Indicator

C

1

0

May be inoperative provided all other instruments and functions of the pressurization system operate normally.

C

1

0

(O) May be inoperative provided flight is conducted in an unpressurized configuration.

21-14

Cabin Altitude Warning System

C

1

0

May be inoperative provided flight remains at or below 10,000 feet MSL.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-9

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-15

Cabin Altitude Indicator

C

1

0

(O) May be inoperative provided:

a)       Cabin differential pressure indicator operates normally, and

b)       A chart is provided for the flight crew to convert differential pressure to cabin altitude.

C

1

0

(O) May be inoperative provided flight is conducted in an unpressurized configuration.

21-16

Cabin Pressure Control System

   1) Pneumatic System

    a) Automatic Mode

C

1

0

May be inoperative provided Manual Mode operates normally.

    b) Manual Mode

C

1

0

May be inoperative provided Automatic Mode operates normally.

    c) Automatic and

        Manual Modes

C

2

0

(M)(O) Both modes may be inoperative for   unpressurized flight provided:

a)       Outflow valve remains open, or is removed, and

b)       Extended overwater flight is prohibited.

 2) Electric System

a) Automatic

    and/or Standby

        Modes

C

2

0

May be inoperative provided both Manual

Modes, AC and DC, operate normally.

    b) Automatic and

        Manual AC

        Modes

A

2

0

(O) May be inoperative provided:

a)       Standby and Manual DC Modes operate normally,

b)       Aircraft is operated at FL 250 or below, and

c)       Operations are limited to not more than three flight days before repair is made.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-10

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-16

Cabin Pressure Control System

(Cont’d)

 2) Electric System

     (Cont’d)

    c) Standby and

        Manual DC

        Modes

A

2

0

(O) May be inoperative provided:

a)       Automatic and Manual AC Modes operate normally,

b)       Aircraft is operated at FL250 or below, and

c)       Operations are limited to not more than three flight days before repair is made.

    d) All Modes

C

4

0

(M)(O) May be inoperative for unpressurized flight provided:

a)       Outflow valve remains open, and

b)       Extended overwater flight is prohibited.

21-17

Ground Venturi Fan

C

1

0

21-18

Outflow/Safety Valves

   1) Pneumatic System

C

2

0

(M)(O) One or both may be inoperative provided:

a)       Airplane is operated unpressurized with the inoperative valve(s) remaining open, or removed, and

b)       Extended overwater flight is prohibited.

   2) Outflow Valve

       (Electric System)

     a) AC Powered

         Actuator

         System

A

1

0

(M)(O) May be inoperative provided:

a)       DC Powered Actuator System operates normally,

b)       Inoperative AC System does not restrict DC System,

c)       Aircraft is operated at FL250 or below, and

d)       Operations are limited to not more than three flight days before repair is made.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-11

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-18

Outflow/Safety Valves

(Cont’d)

   2) Outflow Valve

       (Electric System)

     (Cont’d)

     b) DC Powered

         Actuator

         System

A

1

0

(M)(O) May be inoperative provided:

a)       AC Powered Actuator System operates normally,

b)       Inoperative DC System does not restrict AC System,

c)       Aircraft is operated at FL250 or below, and

d)       Operations are limited to not more than three flight days before repair is made.

C

1

0

(M)(O) May be inoperative for unpressurized flight provided:

a)       Outflow valve remains open, and

b)       Extended overwater flight is prohibited.

  3) Safety Valves

      (With Electric

     Outflow Valves)

C

2

1

One may be inoperative closed for pressurized flight.

C

2

0

(M)(O) One or both may be inoperative for unpressurized flight provided:

a)       Outflow valve remains open, and

b)       Extended overwater flight is prohibited.

21-19 

 ***

Ram Air Shutoff Valve

   1) 727-100/-100C

       (Except Class “E”

       Cargo

       Configuration)

C

1

0

(M)(O) May be inoperative open for left pack operation only, during either pressurized or unpressurized flight.

D

1

0

(M) May be inoperative closed.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-12

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-19 

 ***

Ram Air Shutoff Valve

(Cont’d)

   2) 727-100C

       (Class “E” Cargo

       Configuration)     

C

1

0

(M) May be inoperative open provided right

pack operates normally.

   3) 727-200

C

1

0

(M)(O) May be inoperative open for

unpressurized flight.

D

1

0

(M) May be inoperative closed.

21-20

Passenger Cabin Temperature Control System

   1) Automatic Mode

C

1

0

May be inoperative provided Manual Mode operates normally.

   2) Manual Mode

C

1

0

May be inoperative provided Automatic Mode operates normally.

   3) Automatic And

       Manual Modes

a)   Except for

     727-100C In

     Class “E” Cargo

     Configuration

C

2

0

(M)(O) Both modes may be inoperative

provided Right Pack is considered inoperative.

b)   727-100C In

     Class “E” Cargo

     Configuration

C

2

0

(M) May be inoperative provided:

a)       Right Air Mix Valve is secured in the full cold position,

b)       Right pack operates with the valve in the full cold position for smoke removal procedure, and

c)       Left pack operates normally.

NOTE: This item may be identified as Main

            Cabin Temperature Control System on

            all cargo configurations.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-13

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-21

Cabin Temperature Gauge

C

1

0

21-22

Flight Deck Temperature Control System

   1) Automatic Mode

C

1

0

May be inoperative provided Manual Mode operates normally.

   2) Manual Mode

C

1

0

May be inoperative provided Automatic Mode operates normally.

   3) Automatic and

       Manual Modes

C

2

0

(M)(O) Both modes may be inoperative

provided Left Pack is considered inoperative.

21-23

Forward Cargo Heat Outflow Valve

C

1

0

May be inoperative open for two pack

operations only.

C

1

0

May be inoperative closed for all-passenger operations only.

21-24

***

Gasper Fan

D

1

0

21-25

Water Separator

Anti-Icing Systems

 1) Passenger

      Configurations

C

2

1

One may be inoperative provided the other

pack operates normally.

 2) Class “E” Cargo

       Configurations

     a) 727-100, And

        100QF

C

2

1

(O) Left system may be inoperative provided

right pack operates normally.

     b) 727-200

C

2

1

(O) Either left or right system may be inoperative provided the other pack operates normally.

 3) All Models Except

     For Class “E”

     Cargo

       Configuration

C

2

0

(O) One or both may be inoperative provided associated pack(s) is considered inoperative.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-14

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-26

Cabin Differential Pressure Gauge

C

1

0

(O) May be inoperative provided:

a)       Cabin altitude indicator operates normally, and

b)       A chart is provided to the crew to convert cabin altitude to differential pressure.

C

1

0

(O) May be inoperative provided flight is conducted in an unpressurized configuration.

21-27

***

Zone Control Protection System

  1) 727-200

      Passenger

       and Combi

     Configuration

C

1

0

(O) May be inoperative provided associated valves remain closed.

  2) 727-200 Cargo

  Configuration

        From STC

C

1

0

(M)(O) May be inoperative provided associated valves are deactivated closed.

C

1

0

(M)(O) May be inoperative provided:

a)       Zone Control Indicating System

       operates normally, and

b)       Associated valves remain closed.

21-28

***

Zone Temperature Control Valves

(727-200)

C

2

0

(M) One or both may be inoperative closed.

C

2

0

(M)(O) One or both may be inoperative fully or partially open provided a blocking plate is installed.

C

2

0

(M)(O) One or both may be inoperative fully or partially open provided right pack valve remains closed.

21-29

***

Zone Control Indicating System (727-200)

D

1

0

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-15

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-30

Auto-Pack Trip System

C

1

0

(O) May be inoperative provided AFM performance data and procedures are followed.

21-31

Auto-Pack Trip

Armed Light

C

1

0

(O) May be inoperative provided AFM performance data and procedures are followed.

21-32

Airflow Multiplier Bypass Valve

C

1

0

21-33

Airflow Multiplier

(727-200 Only)

C

1

0

21-34

Ram Cooling Inlet Check Valves

C

2

0

(O) One or both may be inoperative open provided associated pack is operated only in flight with the landing gear retracted.

21-35

Air Conditioning Ground Connection Check Valve

   1) All Configurations

D

1

0

(M) May be inoperative closed for pressurized flight.

   2) All Passenger

       Configurations

       Only

C

1

0

(O) May be inoperative open provided flight is conducted in an unpressurized configuration.

21-36

Outflow Valve Position Indicator

C

1

0

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-16

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-37

Equipment Cooling Fan (Or Flow Control Valve)

 1) All Configurations

       Except Class “E”

       Cargo

       Configurations

C

1

0

(O) May be inoperative provided:

a)       Icing conditions do not exist below 1,000 feet AGL (proportional window heat only),

b)       Airplane is not equipped with draw-through NI-CAD battery case (solid battery cover),

c)       Ground use of radio equipment is limited to that necessary for checkout and clearance procedures, not to exceed 30 minutes,

d)       DME and Radio Altimeter circuit breakers remain open until not more than five minutes prior to takeoff,

e)       Both air conditioning packs operate normally, and pressurization is normal,

f)         INS is not operated,

g)       NO. 2 forward panel blower fan operates normally,

h)       Tape reproducer and proportional window heat ONLY remain off until reaching 1,000 feet AGL,

i)         Cabin and flight deck temperature is maintained at or below 75 degrees F   (24 degrees C),

j)         Airplane is not operated in all-

      cargo Class “E” configuration,

k)       When INS provides primary attitude information, dispatch is prohibited, and

l)         De-Fog system operates normally.

(Continued)

|

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

21-17

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

21 AIR CONDITIONING

21-37

Equipment Cooling Fan (Or Flow Control Valve)

(Cont’d)

2) No Equipment/ No

      Rack Cooling Fan

      Light

C

1

0

(M) May be inoperative provided Equipment/Rack Cooling Fan operates normally.

C

1

0

May be inoperative provided Equipment/Rack Cooling Fan is considered inoperative.

NOTE: Light will illuminate on the ground with

            an inoperative Rack Cooling Fan, but

            will extinguish in flight.

21-38

Main Cargo Smoke Control System

(727-200F)

C

1

0

(O) May be inoperative provided procedures are established and used to ensure the associated compartment remains empty, or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or Fly Away Kits.

NOTE: Operate MELs must define which items

            are approved for inclusion in the Fly

            Away Kits, and which materials can be

            used as ballast.

21-39

Supply Duct Temperature Gauge

C

1

0

May be inoperative provided both duct overheat warning systems operate normally.

21-40

Duct Overheat Warning Systems

C

2

0

One or both may be inoperative provided the supply duct temperature gauge operates normally.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

22-1

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

22 AUTO FLIGHT

22-01

Autopilot System

B

1

0

(O) May be inoperative provided approach minimums or operations do not require its use.

NOTE: Any mode which operates normally may be used.

   1) Disengage

       Switches   

C

2

1

One may be inoperative provided:

a)       No autopilot is used below 1,500 feet

      AGL, and

b)       Approach minimums do not require

      autopilot use.        

|
|
|
|
|

   2) Heading Select

       Mode

C

1

0

May be inoperative provided manual mode

and altitude hold operate normally.

  3) Altitude Select

      Mode

C

1

0

May be inoperative provided altitude alert operates normally.

   4) IAS Hold Mode

C

1

0

   5) Mach Hold Mode

C

1

0

   6) Aux Nav Mode

C

1

0

   7) VOR/LOC Mode

C

1

0

May be inoperative provided approach

minimums do not require its use.

 8)  ILS Auto

       Glideslope Mode

C

1

0

May be inoperative provided approach

minimums do not require its use.

   9) G/A Mode

C

1

0

May be inoperative provided approach

minimums do not require its use.

   10) Land Mode

C

1

0

May be inoperative provided approach

minimums do not require its use.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

22-2

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

22 AUTO FLIGHT

22-01

Autopilot System (Cont’d)

   11) Elevator Servo

         System

      a)  Mode A or B

C

2

1

(M) Either Mode A or B may be inoperative provided autopilot will engage when operative system A or B is selected.

      b)  Mode AB

C

1

0

May be inoperative provided autoland operations are not conducted.

22-02

***

  Autopilot Pitch

  Monitor System

D

1

0

22-03

 DELETED

Deleted prior to Rev. 27.

22-04

  Autopilot Disengaged

  Warning System

   1) Lights

C

2

1

B

2

0

Both may be inoperative provided autopilot is

not engaged.

   2) Aural Warning

C

1

0

May be inoperative provided approach minimums do not require its use.

22-05

DELETED

Deleted prior to Rev. 27.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

22-3

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

22 AUTO FLIGHT

22-06

Yaw Dampers (Excluding -100 airplanes with configurations

65DT-78001-511, 65DT-78001-513 or 65DT-78001-515 of STC ST00488SE, and excluding -100 airplanes with

STC SA5938NM)

C

2

0

One or both may be inoperative provided:

a)       AFM Limitations are complied with, and

b)       Switch associated with inoperative system remains OFF.

NOTE: Autopilot is inoperative when both yaw

            dampers are inoperative or OFF.

22-07

Yaw Damper Engage Lights or Warning Flags

C

2

0

(O) One or both may be inoperative provided:

a)       Proper motion of the rudder position indicators are verified before each departure, and

b)       AFM yaw damper inoperative limitations are observed.

22-08

Yaw Damper Ground Test Circuit

(727-200 Only)

C

2

0

(O) One or both may be inoperative provided proper motion of the rudder position indicators are verified before each departure.

22-09

***

Autothrottle Systems

D

1

0

May be inoperative provided approach procedures do not require its use.

22-10

***

A/P Approach Progress Display Panel

   1) Flare

       Annunciations

       (Arm and Capture)

C

2

0

(O) Arm and Capture functions may be inoperative provided Autoland is not used.

   2) Glideslope

       Annunciations

      (Arm and Capture)

C

2

0

(O) Arm and Capture functions may be inoperative provided Autopilot is not coupled to the Glide Slope (G/S) during approach.

   3) VOR/LOC

       Annunciations

       (Arm and Capture)

C

2

0

(O) Arm and Capture functions may be inoperative provided Autopilot is not used in the NAV/LOC Mode.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

22-4

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

22 AUTO FLIGHT

22-10

***

A/P Approach Progress Display Panel

(Cont’d)

 4) Nav Annunciations

       (ARM and

       Capture)

C

2

0

(O) Arm and Capture functions may be inoperative provided the autopilot is not used in the AUX NAV mode.

 5) Altitude Hold 

       Annunciations

A

2

0

May be inoperative provided:

a)       Altitude alert operates normally, and

b)       Operations are limited to not more than three flight days before repair is made.                                                                          

 6) ALT SELECT

       Annunciations

C

2

0

May be inoperative provided the ARM ENG annunciator of the ALT SEL switch on the autopilot control panel operates normally.

 7) HDG

Annunciations

C

2

0

May be inoperative provided the ENG annunciator of the HDG Select on the autopilot control panel operates normally.

22-11

***

Single Auto-Pilot Interface Unit (AIU) (STC SA3093SO)

C

1

0

(M)(O) May be inoperative provided:

a)       AIU is deactivated,

b)       Autopilot is operated uncoupled from

      the AIU, and

c)       Operations do not require its use.

  1) AIU Fail

      Annunciator

C

2

1

One may be inoperative provided autopilot is operated and engaged from the operating side.

C

2

0

Both may be inoperative provided AUI is considered inoperative.

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-1

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-01

Flight Deck Speaker System

C

1

0

May be inoperative provided procedures do not require its use.

23-02

Passenger Address System

 1) Passenger

       Configuration

B

1

0

(O) May be inoperative provided:

a)       Alternate, normal and emergency procedures and/or operating restrictions are established and used, and

b)       Flight attendant alerting system (audio

      and visual) operates normally.

NOTE: Any station function(s) that operate

            normally may be used.

C

1

0

(O) May be inoperative provided:

a)       PA not required by FAR, and

b)       Alternate, normal and emergency procedures, and/or operating restrictions are established and used.

NOTE: Any station function(s) that operate

            normally may be used.

     a) Lavatory

         Speakers

C

-

0

(O) May be inoperative provided alternate procedures are established and used.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-2

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-02

Passenger Address System (Cont’d)

2) Cargo

      Configuration

     (Courier/

     Supernumerary

     Address System)

C

1

0

(O) May be inoperative provided alternate, normal and emergency procedures and/or operating restrictions are established and

used.

D

1

0

May be inoperative provided procedures do

not require its use.

    a)  Lavatory

         Speakers

C

1

0

(O) May be inoperative provided alternate procedures are established and used.

D

1

0

May be inoperative provided procedures do

not require its use.

***

 3) Cockpit Volume

     Level Indicator

C

-

0

***

 4) Cockpit PA

     Monitor/Speaker

     Switch

C

1

0

May be inoperative in OFF (not selected) position.

***

 5) Cockpit PA In Use

     Light

C

1

0

23-03

Communications System (VHF,HF,UHF)

 1) Very High

     Frequency (VHF)

     Communication

     System

D

-

-

Any in excess of those required by FAR may be inoperative provided it is not powered by the Emergency AC Bus, Emergency DC Bus, Battery Direct Bus, or the DC Transfer Bus and not required for emergency procedures.

***

    a) Frequency

        Transfer Light

C

-

0

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-3

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-03

Communications System (VHF,HF,UHF)

(Cont’d)

 1) Very High

     Frequency (VHF)

     Communication

     System

     (Cont’d)

***

    b) Frequency

        Transfer Switch

C

-

0

    c) Frequency

        Selectors

C

-

-

One per each VHF Comm required by FAR

must operate normally.

d) Frequency

  Indicators

C

-

-

One per each VHF Comm required by FAR

must operate normally.  

 2) High Frequency

     (HF)    

     Communication

     System

C

-

1

(O) May be inoperative while conducting operations that require two Long Range Communication Systems (LRCS) provided:

a)       SATCOM Voice or Data Link operates normally,

b)       Alternate procedures are established

      and used,

c)       SATCOM Voice coverage is available over the intended route of flight, and

d)       If SATCOM Voice is to be used over the intended route of flight, STACOM Voice short codes (INMARSAT) or direct dial commercial numbers (IRIDIUM) must be available. If not available, prior coordination with the appropriate ATS (FIR) facility is required.

NOTE: SATCOM is to be used only as a backup

            to normal HF communication unless

            otherwise authorized by the appropriate

            ATS facilities.

(Continued)

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|

|
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|
|
|
|
|

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-4

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-03

Communications System (VHF,HF,UHF)

(Cont’d)

 2)  High Frequency

      (HF)

      Communication

      System

      (Cont’d)

D

-

-

Any in excess of those required by FAR may be inoperative.

 3) Ultra High

     Frequency (UHF)

     Communication

     System

D

-

-

Any in excess of those required by FAR, and not powered by a Standby Bus, may be inoperative.

23-04

Flight Interphone System

Deleted, Rev. 46. (Included in Item 23-6.)

23-05

Audio Selector Panels

 1) Flight Deck Audio

     Selector Panels

***

a)   Receive/

    Transmit

    Function of

    Receive/

    Transmit and

    Intercom

    Switches

C

-

0

(M) May be inoperative provided:

a)       A separate push-to-talk (PTT) switch operates normally at affected crew stationed, and

b)       Affected switch is electrically failed open.

***

    b) Amplifiers

        (Panels

        equipped

        with dual

        amplifiers)

C

-

-

One amplifier in each panel may be inoperative provided one amplifier operates normally at each required crew station.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-5

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-05

Audio Selector Panels

(Cont’d)

 1) Flight Deck Audio

     Selector Panels

     (Cont’d)

    c) Mixer Switches

        (ADF, HF, NAV,

        MKR, VOICE,

        RANGE)

C

-

-

(O) One switch on each audio panel may be inoperative provided:

a)       The flight interphone function operates normally,

b)       Alternate procedures for monitoring radios are identifying stations are established and used, and

c)       Associated function operates normally

      at other required crew stations.

***

 2) Other Than On

     Flight Deck

D

-

0

23-06

Crewmember Interphone System

 1) Passenger  

     Configuration

    a) Flight Deck to

        Cabin, Cabin

         to Flight Deck

         Functions

B

-

-

(O) May be inoperative provided:

a)       Flight deck to cabin and cabin to flight deck interphone functions operate normally on at least fifty percent of the cabin handsets, and

b)       Alternate communication procedures between the affected flight attendant stations are established and used.

NOTE: Any station function(s) that operate

            normally may be used.

(Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-6

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-06

Crewmember Interphone System (Cont’d)

 1) Passenger  

     Configuration

     (Cont’d)

     b) Cabin to Cabin

   Function

B

2

0

(O) May be inoperative provided alternate communication procedures between the affected flight attendant stations are established and used.

NOTE: Any station function(s) that operate

            normally may be used.

B

-

-

(O) May be inoperative provided:

a)       Cabin to cabin interphone functions operate normally on at least fifty perfect of the cabin handsets, and

b)       Alternate communications procedures between affected flight attendant stations are established and used.

NOTE: Any station function(s) that operate

            normally may be used.

     c) Flight Deck to

         Ground

         Function

         (Airplanes

         Operating

         Under

         FAR Part 121)

C

1

0

(O) Flight interphone flight deck to

ground/ground to flight deck function may be inoperative provided:

a)       Alternate procedures are established

      and used, and

b)       Nose gear service interphone jack operates normally.

C

1

0

(O) Service interphone flight deck to ground/ground to flight deck function may be inoperative provided:

a)       Alternate procedures are established

      and used, and

b)       Nose gear flight interphone jack operates normally.

  (Continued)

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-7

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-06

Crewmember Interphone System (Cont’d)

c) Flight Deck to

         Ground

         Function

         (Airplanes

         Operating

         Under

         FAR Part 121)

        (cont’d)

B

-

0

(O) May be inoperative provided alternate procedures are established and used.

     d) Flight Deck to

         Ground

         Function

         (All Other

         Aircraft

         Operations)

C

-

0

(O) May be inoperative provided alternate procedures are established and used.

D

-

0

May be inoperative provided procedures do not require its use.

 2) Cargo

      Configuration

     a) Flight Deck to

         Cabin, Cabin to

         Flight Deck

         Functions

C

1

0

(O) May be inoperative provided alternate, normal and emergency procedures, and/or operating restrictions are established and used.

D

1

0

May be inoperative provided procedures do not require its use.

      b) Cabin to Cabin

           Function

D

1

0

(Continued) 

U.S. DEPARTMENT OF TRANSPORTATION

                                                                                                MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

B-727-100/200

REVISION NO:      49

DATE:   06/06/2012

PAGE:

23-8

SYSTEM &

SEQUENCE

NUMBERS

ITEM

1.

2.

NUMBER INSTALLED

3.

NUMBER REQUIRED FOR DISPATCH

4.

REMARKS OR EXCEPTIONS

23 COMMUNICATIONS

23-06

Crewmember Interphone System (Cont’d)

 2) Cargo

      Configuration

      (Cont’d)

     c) Flight Deck to

        Ground Function

        (Airplanes

        Operating Under

        FAR Part 121)

C

1

0

(O) Flight interphone flight deck to

ground/ground to flight deck function may be inoperative provided:

a)       Alternate procedures are established

      and used, and

b)       Nose gear service interphone jack operates normally.

C

1

0

(O) Service interphone flight deck to ground/ground to flight deck function may be inoperative provided:

a)       Alternate procedures are established and used, and