27-CONTENTS
GUN Page 27 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 27 - FLIGHT CONTROLS
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
Adjustment/Test 501 ALL Adjustment 502 Operational Test 501
TRANSMITTER - SPOILER POSITION 27-68-01 Removal/Installation 401 ALL
LIFT AUGMENTING 27-80-00
_______________ Component Location 101 ALL Component Index Component Location LEADING EDGE FLAP SYSTEM 27-81-00 Description and Operation 1 ALL General 1 Actuators, Rotary - Krueger 10 Flap Actuators, Rotary - Variable 10 Camber Flap Flaps - Krueger 7 Flaps - Variable Camber 7 Gearbox - Offset 10 Units - Flap Control 2 Units - Power Drive 7
27-CONTENTS
GUN Page 28 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 27 - FLIGHT CONTROLS TABLE OF CONTENTS
_________________ Chapter
Section
Subject_______ Subject_______ Page____
Maintenance Practices 201
Extended Leading Edge Flaps Deactivation and Safety Locks Installation 210
Flap Extension with PDU Unserviceable (Alternate Drive Motor Brake 214
Serviceable) Flap Extension with PDU Unserviceable (Alternate Drive Motor Brake 217
Unserviceable) Flap Extension with PDU Unserviceable (Broken Annunciator Switch Actuator) Installation of the Flap Lever Lock 222224
Leading Edge Flaps Extension Leading Edge Flaps Extension by Electrical Power Leading Edge Flaps Extension by Pneumatic Power Leading Edge Flaps Retraction Leading Edge Flaps Retraction by Electrical Power Leading Edge Flaps Retraction by Pneumatic Power Removal of the Flap Lever Lock Retracted Leading Edge Flaps Activation 202204202202206203224209
Retracted Leading Edge Flaps Deactivation 208
Safety Locks Removal and Extended Leading Edge Flaps Activation 212
EffectivityALL
27-CONTENTS
GUN Page 29 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 27 - FLIGHT CONTROLS
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
Adjustment/Test 501 ALL
Adjustment 516
Operational Test 501
System Test 530
ACTUATOR - ROTARY KRUEGER FLAPS 27-81-06
Removal/Installation 401 ALL
ACTUATOR - ROTARY VARIABLE 27-81-07
CAMBER FLAPS
Removal/Installation 401 ALL
FLAPS - KRUEGER 27-81-01
Removal/Installation 401 ALL
Inspection/Check 601 ALL
FLAPS - VARIABLE CAMBER 27-81-02
Removal/Installation 401 ALL
Inspection/Check 601 ALL
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