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(5) Remove the safety tags and close these circuit breakers:
F/O Electrical System Panel, P6-2
Row Col Number Name
B 14 C01070 FLIGHT CONTROL AUTOSLAT DC 2
C 14 C01068 FLIGHT CONTROL AUTOSLAT DC 1
SUBTASK 27-83-21-610-001
(6) If it is necessary for the hydraulic system, do this task: Hydraulic Reservoir Servicing,
TASK 12-12-00-610-801.
SUBTASK 27-83-21-740-001
(7) Do this task: Leading Edge Autoslat System - Functional Test, TASK 27-83-00-710-801.
SUBTASK 27-83-21-210-001
(8) Make sure there are no hydraulic fluid leaks at the autoslat control valve [1].
H. Put the Airplane Back to Its Usual Condition
SUBTASK 27-83-21-940-001
(1) Install this access panel:
Number Name/Location
192BR ECS Ram Air Inlet Mixing Duct Panel - Forward
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-83-21
Page 405
Feb 10/2006
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
LEADING EDGE FLAP AND SLAT POSITION INDICATING SYSTEM - ADJUSTMENT/TEST
1. General
A. This procedure contains an operational test of the leading edge flap and slat position indicating
system.
TASK 27-88-00-710-801
2. Operational Test - Leading Edge Flap and Slat Position Indicating System
(Figure 501)
A. General
(1) The trailing edge flap position indicating system must be correctly adjusted before you do the
operational test. The trailing edge indicators are used to find the flap position.
B. References
Reference Title
24-22-00-860-811 Supply Electrical Power (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)
C. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
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
D. Prepare for the Operational Test
SUBTASK 27-88-00-860-001
(1) Do this task: Supply Electrical Power, TASK 24-22-00-860-811.
SUBTASK 27-88-00-860-002
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.
(2) To pressurize hydraulic system B, do this task: Hydraulic System A or B Pressurization,
TASK 29-11-00-860-801.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Page 501
Oct 10/2003
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
E. Operational Test of the Leading Edge Flap and Slat Position Indicating System
SUBTASK 27-88-00-710-001
(1) Do the operational test of the leading edge flap and slat position indicating system:
(a) Move the flap control lever to the FLAP UP position.
1) Make sure each flap and slat is in the retract position and align with the wing structure.
2) Make sure all the leading edge flap lights on the center instrument panel, P2, and the
aft overhead panel, P5, are off.
3) Set the master dim and test lights switch, on the P1 panel, to the DIM position.
4) Push the test switch below the leading edge devices annunciator on the aft overhead
panel, P5.
5) Make sure all the lights are on.
6) Release the test switch.
7) Make sure all the lights go off.
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.
(b) Move the flap control lever to the 1-unit detent position.
1) While the trailing edge flaps start to extend, make sure the amber LE FLAPS TRANSIT
light on the center instrument panel, P2, comes on.
2) When each flap and slat starts to extend, make sure the TRANSIT amber lights on the
aft overhead panel, P5, come on.
3) Do these checks when the leading edge flaps are in the full extend position;
a) Make sure the annunciator TRANSIT lights go off.
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737-600-700-800-900 飞机维护手册7 AIRCRAFT MAINTENANCE MANUA(105)
