SUBTASK 53-05-02-250-049
(2) Do a Low Frequency Eddy Current inspection of the skin under the strap at stringer S-18
between the fasteners common to the strap and skin from STA 717 to STA 727.
See Doc. D626A001-DTR, DTR check form 53-40-11-1 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 53-30-49.
SUBTASK 53-05-02-410-127
(3) Close this access panel on the Left side:
Number Name/Location
195CL Wing To Body Fairing - Left Side
Close this access panel on the Right side:
Number Name/Location
195CR Wing To Body Fairings - Right Side
END OF TASK
TASK 53-05-02-250-850
73. INTERNAL - SPECIAL DETAILED: STRINGER 18A CHORD AND LINKS
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
131 Center Section Wing Box, Body Station 540.00 to Body Station 663.75 - Left
133 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station 727.00 - Left
134 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station 727.00 - Right
142 Aft Cargo Compartment - Right
B. Inspection
SUBTASK 53-05-02-250-050
(1) Do a High Frequency Eddy Current inspection around the bushings on each lug, three lugs per
assembly, on the upper and lower surface at STA 663.
See Doc. D626A001-DTR, DTR check form 53-40-12-1 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 53-11-30.
END OF TASK
TASK 53-05-02-250-851
74. INTERNAL - SPECIAL DETAILED: FRAME SPLICE AT STA 540
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
232 Forward Passenger Compartment - Forward Entry Door to Sta 663.75 - Right
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 243
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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