A. Location Zones
Zone Area
141 Aft Cargo Compartment - Left
142 Aft Cargo Compartment - Right
B. Inspection
NOTE: Remove and/or displace aft cargo forward bulkhead, ceiling, sidewall panels and insulation
blankets as required to perform the inspection.
SUBTASK 53-05-02-250-053
(1) Do a High Frequency Eddy Current inspection of the frame inner chord at STA 727 between
stringers S-17 and S-21 on both the left and right hand sides.
See Doc. D626A001-DTR, DTR check form 53-40-16-3 for alternative inspections.
The NDI method(s) necessary to accomplish the intent of this inspection is contained in the
737 Nondestructive Test Manual (D6-37239). The inspection procedures are contained in Part
6, Section 53-11-25.
END OF TASK
TASK 53-05-02-250-854
80. INTERNAL - SPECIAL DETAILED: AFT WHEEL WELL BULKHEAD, STA 727
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
141 Aft Cargo Compartment - Left
142 Aft Cargo Compartment - Right
143 Area Below Aft Cargo Compartment - Left
144 Area Below Aft Cargo Compartment - Right
B. Inspection
NOTE: Remove and/or displace aft cargo forward bulkhead, ceiling, sidewall panels and insulation
blankets as required to perform the inspection.
SUBTASK 53-05-02-250-054
(1) Do a High Frequency Eddy Current inspection of the fail safe angle from inside the aft cargo
bay at frame 727, from stringers S-21L to S-27L and stringers S-21R to S-27R.
See Doc. D626A001-DTR, DTR check form 53-40-16-1a for alternative inspections.
The NDI method(s) necessary to accomplish the intent of this inspection is contained in the
737 Nondestructive Test Manual (D6-37239). The inspection procedures are contained in Part
6, Subject 53-10-93.
END OF TASK
ILF 401, 402, 405, 416, 508-510, 523, 525-528, 536, 541, 542, 703
TASK 53-05-02-130-803
81. INTERNAL -SPECIAL DETAILED: WHEEL WELL AFT BULKHEAD
NOTE: This procedure is a scheduled maintenance task.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 246
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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