A 747-400 MAINTENANCE MANUAL
 CHAPTER 52 - DOORS
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 DOORS 52-00-00
_____ Description and Operation 1 ALL General 1
 SEALS - DOOR 52-09-00
 Approved Repairs 801 ALL
 SEALS - ACOUSTIC AND THERMO 52-09-06

 Removal/Installation 401 ALL SEALS - AERODYNAMIC 52-09-05 Removal/Installation 401 ALL SEALS - DIAPHRAGM 52-09-01 Removal/Installation 401 ALL SEALS - DIAPHRAGM-MECHANICAL 52-09-04 Removal/Installation 401 ALL SEALS - FLAP-TYPE MECHANICAL 52-09-02 Maintenance Practices 201 ALL SEALS - LIGHT 52-09-07 Removal/Installation 401 ALL SEALS - RAIN 52-09-03 Removal/Installation 401 ALL
 PASSENGER/CREW 52-10-00
______________ MAIN ENTRY DOORS 52-11-00
 Description and Operation 1 ALL General 1 Cranks - Latching and Cocking 5 Lining and Insulation - Door 9 Mechanism - Handle 1 Torque Tube - Body 9 Torque Tube - Door 5 Operation 9
 Component Location 101 ALL Component Index Component Location
 Inspection/Check 601 ALL
 52-CONTENTS
 GUN Page 1 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 52 - DOORS
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 ACTUATOR AND CHAIN - MAIN ENTRY 52-11-05
 DOOR
 Removal/Installation 401 ALL
 DOOR - MAIN ENTRY 52-11-01
 Adjustment/Test 501 ALL
 Main Entry Door - Adjustment 501

 DOOR - MAIN ENTRY NO. 5 52-11-09
 Removal/Installation 401 ALL
 Adjustment/Test 501 ALL

 Adjustment 501
 Inspection/Check 601 ALL
 FLAPS - HINGE 52-11-14
 Removal/Installation 401 ALL
 GUIDE ARM - MAIN ENTRY DOOR 52-11-04
 Removal/Installation 401 ALL
 HINGE ARM - MAIN ENTRY DOOR 52-11-03
 Removal/Installation 401 ALL

 LINING AND INSULATION - MAIN 52-11-02
 ENTRY DOOR CONFIG 1 IS NOT
 APPLICABLE

 Removal/Installation 401 CONFIG 2 [*] [*] FREIGHTERS
 MAIN ENTRY DOORS 52-11-01
 Removal/Installation 401 ALL
 Entry Door No. 1 406
 Installation
 Entry Door No.1 Removal 401

 Inspection/Check 601 ALL Main Entry Door 1 Inspection 601 Main Entry Door 1 Upper and 607
 Lower Gates Inspection
 Main Entry Door 1-4 Internal 607
 and Expernal Hurdle
 Mechanism

 MECHANISM - HANDLE 52-11-13
 Removal/Installation 401 ALL

 52-CONTENTS
 GUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 52 - DOORS
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 Adjustment/Test 501 ALL Adjustment 505 Test 501
 RESERVOIR - EMERGENCY POWER 52-11-06 Inspection/Check 601 ALL SNUBBER - BODY TORQUE TUBE 52-11-10
 ROTARY (DOOR NO. 1) Removal/Installation 401 ALL Inspection/Check 601 ALL
 SNUBBER - BODY TORQUE TUBE 52-11-17
 ROTARY (DOOR NO. 5) Removal/Installation 401 ALL Inspection/Check 601 ALL
 TORQUE TUBE - BODY HINGE 52-11-11
 Removal/Installation 401 ALL
 TORQUE TUBE - MAIN ENTRY DOOR 52-11-12
 Maintenance Practices 201 ALL
 TORQUE TUBE - MAIN ENTRY DOOR 52-11-19
 LATCH
 Removal/Installation 401 ALL
 TRIGGER - EMERGENCY POWER SYSTEM 52-11-08
 Approved Repairs 801 ALL
 DOOR - UPPER DECK CREW SERVICE 52-13-00

 Description and Operation 1 ALL General 1 Assemblies - Latching Crank 1
 and Cocking Crank
 Assembly - Track 5
 Mechanism - Handle 1
 Operation 7

 Component Location 101 ALL Component Index Component Location
 Adjustment/Test 501 ALL Functional Test of the Upper 501 Deck Crew Service Door
 52-CONTENTS
 GUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 52 - DOORS
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 Inspection/Check 601 ALL Operational Check of the Crew 601 Service Door
 Operational Check of the Upper 603
 Deck Crew Service Door
 Carriage Mechanism
　
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