ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 402, 405, 406, 409, 410, 412,
416, 424, 425, 427-429, 451, 452, 491-504, 507-510, 512-516, 518-520, 523-528, 530-533, 535-537, 541, 542,
552-557, 559-564, 567-569, 571-577, 581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627,
671, 672, 686, 691-699, 703, 707-710, 804-807, 812, 821, 822, 831-838, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-973, 980-999
TASK 53-05-02-130-818
43. EXTERNAL - SPECIAL DETAILED: SKIN UNDER UPPER WING-TO-BODY DRAG ANGLE
A. Location Zones
Zone Area
125 Air Conditioning Distribution Bay - Left
126 Air Conditioning Distribution Bay - Right
191 Lower Wing-To-Body Fairing - Forward of Wing Box
B. Access Panels
Number Name/Location
191AL Forward Wing To Body Fairing Panel - Upper
191AR Forward Wing To Body Fairing Panel - Upper
C. Inspection
SUBTASK 53-05-02-010-216
(1) Open these access panels:
Number Name/Location
191AL Forward Wing To Body Fairing Panel - Upper
191AR Forward Wing To Body Fairing Panel - Upper
SUBTASK 53-05-02-130-018
(2) Do an Ultrasonic inspection of the skin under the upper wing-to-body drag angle along the
upper drag angle forward of Station 536 between S-21 and S-22.
See Doc D626A001-DTR, DTR check form 53-30-02-5 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
4, 53-20-02.
SUBTASK 53-05-02-410-212
(3) Close these access panels:
Number Name/Location
191AL Forward Wing To Body Fairing Panel - Upper
191AR Forward Wing To Body Fairing Panel - Upper
END OF TASK
ILF ALL
TASK 53-05-02-250-826
44. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
231 Forward Passenger Compartment - Forward Entry Door to Sta 663.75 - Left
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 223
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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