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LEADING EDGE FLAP AND SLAT CONTROL SYSTEM - INSPECTION/CHECK
1. General
A. This procedure has this inspection task:
(1) Wing Leading Edge Flap and Slat Actuators and Leading Edge Flap and Slat Actuation
Mechanism
TASK 27-81-00-210-801
2. Leading Edge Flap and Slat Actuators and Actuation Mechanism Inspection
A. References
Reference Title
27-81-00-860-803 Leading Edge Flaps and Slats Extension (P/B 201)
27-81-00-860-804 Leading Edge Flaps and Slats Retraction (P/B 201)
B. Location Zones
Zone Area
512 Left Wing - Krueger Flap No. 2
513 Left Wing - Krueger Flap No. 1
522 Left Wing - Slat No. 4
523 Left Wing - Slat No. 3
524 Left Wing - Slat No. 2
525 Left Wing - Slat No. 1
612 Right Wing - Krueger Flap No. 3
613 Right Wing - Krueger Flap No. 4
622 Right Wing - Slat No. 5
623 Right Wing - Slat No. 6
624 Right Wing - Slat No. 7
625 Right Wing - Slat No. 8
C. Procedure
SUBTASK 27-81-00-010-005
(1) Do this task: Leading Edge Flaps and Slats Extension, TASK 27-81-00-860-803.
SUBTASK 27-81-00-210-003
(2) Do a general visual inspection of the left and right wing leading edge flap and slat actuators and
the leading edge flap and slat actuation mechanism.
SUBTASK 27-81-00-010-006
(3) Do this task: Leading Edge Flaps and Slats Retraction, TASK 27-81-00-860-804.
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-81-00
Page 601
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D633A101-GUN
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LEADING EDGE FLAPS - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the leading edge flaps.
(2) An installation of the leading edge flaps.
B. This procedure applies to the inboard and outboard leading edge flaps.
TASK 27-81-11-000-801
2. Leading Edge Flap Removal
(Figure 401)
A. References
Reference Title
27-81-00-480-801 Leading Edge Flap and Slat Locks Installation (P/B 201)
29-11-00-860-801 Hydraulic System A or B Pressurization (P/B 201)
29-11-00-860-805 Hydraulic System A or B Power Removal (P/B 201)
B. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
SPL-1734 Lockout Set - Leading Edge Slats and Krueger Flaps Actuators
(Part #: C27051-29, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
(Opt Part #: C27051-1, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -BBJ)
C. Location Zones
Zone Area
512 Left Wing - Krueger Flap No. 2
513 Left Wing - Krueger Flap No. 1
612 Right Wing - Krueger Flap No. 3
613 Right Wing - Krueger Flap No. 4
D. Prepare for the Removal
SUBTASK 27-81-11-860-001
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE FLIGHT CONTROL
SURFACES, THE THRUST REVERSERS, AND THE LANDING GEAR. THESE
COMPONENTS CAN MOVE SUDDENLY WHEN YOU SUPPLY HYDRAULIC POWER.
THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) To pressurize hydraulic system B, do this task: Hydraulic System A or B Pressurization,
TASK 29-11-00-860-801.
SUBTASK 27-81-11-860-002
WARNING: MAKE SURE PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING EDGE FLAPS
AND SLATS AND THE TRAILING EDGE FLAPS. THE FLAPS AND SLATS WILL EXTEND.
THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-81-11
Page 401
Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(WARNING PRECEDES)
CAUTION: MAKE SURE THE INBOARD FAN DUCT COWL AND THE INBOARD AND OUTBOARD
THRUST REVERSERS ARE CLOSED OR REMOVED BEFORE YOU EXTEND THE
LEADING EDGE FLAPS AND SLATS. THERE IS NOT SUFFICIENT CLEARANCE FOR
THE FLAPS AND SLATS TO EXTEND IF THE INBOARD FAN DUCT COWL AND THE
INBOARD AND OUTBOARD THRUST REVERSERS ARE IN THE OPEN POSITION. THIS
CAN CAUSE DAMAGE TO EQUIPMENT.
(2) Move the flap control lever to the 1-unit detent to extend the leading edge flaps.
SUBTASK 27-81-11-860-003
(3) To remove power from hyraulic system B, do this task: Hydraulic System A or B Power
Removal, TASK 29-11-00-860-805.
SUBTASK 27-81-11-480-001
WARNING: CAREFULLY INSTALL THE LEADING EDGE FLAP ACTUATOR LOCK TO PREVENT
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737-600-700-800-900 飞机维护手册7 AIRCRAFT MAINTENANCE MANUA(61)
