(Continued)
Zone Area
321 Vertical Fin - Dorsal Fin
B. Inspection
NOTE: Remove necessary passenger cabin interiors as required to perform the inspection.
SUBTASK 53-05-02-211-052
(1) Do a Detailed inspection of the fittings on both sides of the bulkhead at STA 1016.
See Doc D626A001-DTR, DTR check form 53-80-02-1 for alternative inspections.
END OF TASK
TASK 53-05-02-250-912
163. INTERNAL - SPECIAL DETAILED: VERTICAL FIN FRONT SPAR FITTINGS - STA 1016
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
241 Aft Passenger Compartment - Station 663.75 to Aft Pressure Bulkhead - Left
242 Aft Passenger Compartment - Station 663.75 to Aft Pressure Bulkhead - Right
322 Vertical Fin - Removable Fin Leading Edge
B. Access Panels
Number Name/Location
323AL Vertical Fin, Front Spar Access Door
323BL Vertical Fin, Forward Fin Access Door
C. Inspection
SUBTASK 53-05-02-010-174
(1) Open these access panels:
Number Name/Location
323AL Vertical Fin, Front Spar Access Door
323BL Vertical Fin, Forward Fin Access Door
SUBTASK 53-05-02-250-112
(2) Do a High Frequency Eddy Current inspection of the exposed forward and aft surfaces of the
fitting lugs. Bolt removal is not required.
See Doc D626A001-DTR, DTR check form 53-80-02-2 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 53-10-78.
SUBTASK 53-05-02-410-165
(3) Close these access panels:
Number Name/Location
323AL Vertical Fin, Front Spar Access Door
323BL Vertical Fin, Forward Fin Access Door
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 298.4
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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