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AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(Continued)
Number Name/Location
521TB Lower Leading Edge Access Panel - Slat Station
356.14
521UB Lower Leading Edge Access Panel - Slat Station
374.95
521VB Lower Leading Edge Access Panel - Slat Station
395.64
521WB Lower Leading Edge Access Panel - Slat Station
415.79
521XB Lower Leading Edge Access Panel - Slat Station
435.91
521YB Lower Leading Edge Access Panel - Slat Station
467.98
521ZB Lower Leading Edge Access Panel - Slat Station
488.05
(b) For the right wing, open these access panels:
Number Name/Location
621CB Lower Leading Edge Access Panel - Slat Station
53.95
621DB Lower Leading Edge Access Panel - Slat Station
71.38
621FB Lower Leading Edge Access Panel - Slat Station
112.52
621HB Lower Leading Edge Access Panel - Slat Station
170.21
621JB Lower Leading Edge Access Panel - Slat Station
188.14
621KB Lower Leading Edge Access Panel - Slat Station
216.71
621LB Lower Leading Edge Access Panel - Slat Station
234.59
621MB Lower Leading Edge Access Panel - Slat Station
252.04
621NB Lower Leading Edge Access Panel - Slat Station
270.63
621PB Lower Leading Edge Access Panel - Slat Station
289.18
621QB Lower Leading Edge Access Panel - Slat Station
307.75
621RB Lower Leading Edge Access Panel - Slat Station
337.62
621SB Lower Leading Edge Access Panel - Slat Station
356.15
621TB Lower Leading Edge Access Panel - Slat Station
374.95
621UB Lower Leading Edge Access Panel - Slat Station
395.64
621VB Lower Leading Edge Access Panel - Slat Station
415.79
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AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Jun 10/2004
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(Continued)
Number Name/Location
621WB Lower Leading Edge Access Panel - Slat Station
435.91
621XB Lower Leading Edge Access Panel - Slat Station
467.98
621YB Lower Leading Edge Access Panel - Slat Station
488.04
621ZB Lower Leading Edge Access Panel - Slat Station
508.31
SUBTASK 27-81-21-860-001
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.
(3) Supply hydraulic power to system B. To supply hydraulic power, do this task: Hydraulic System
A or B Pressurization, TASK 29-11-00-860-801.
SUBTASK 27-81-21-860-009
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING EDGE
FLAPS AND SLATS AND THE TRAILING EDGE FLAPS. THE LEADING EDGE FLAPS
AND SLATS AND THE TRAILING EDGE FLAPS WILL EXTEND. THIS CAN CAUSE
INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
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.
(4) Move the flap control lever to the 10-unit detent to extend the leading edge slats.
SUBTASK 27-81-21-480-005
WARNING: CAREFULLY INSTALL THE LEADING EDGE FLAP ACTUATOR LOCK TO PREVENT
ACCIDENTAL OPERATION OF THE LEADING EDGE FLAPS. THE LEADING EDGE
FLAPS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE
TO EQUIPMENT.
(5) Install the lockout set, SPL-1734 on the actuators of the adjacent leading edge slats. To do this,
do this task: Leading Edge Flap and Slat Locks Installation, TASK 27-81-00-480-801.
SUBTASK 27-81-21-860-002
(6) Move the flap control lever to the 1-unit detent to retract the leading edge slat.
NOTE: If the slat is in the full extend position, the slat actuator [9] will be preloaded against the
slat. Positioning the flap control lever to the 1-unit detent will remove the preload,
allowing easier removal of the slat actuator.
SUBTASK 27-81-21-860-008
(7) Remove power from hydraulic system B. To remove hydraulic power, do this task: Hydraulic
System A or B Power Removal, TASK 29-11-00-860-805.
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AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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737-600-700-800-900 飞机维护手册7 AIRCRAFT MAINTENANCE MANUA(71)
