FUSELAGE FATIGUE INSPECTIONS - MAINTENANCE PRACTICES
TASK 53-05-02-250-801
1. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
221 Passenger Compartment - Aft of Control Compartment to Forward Entry Door - Left
222 Passenger Compartment - Aft of Control Compartment to Forward Entry Door -
Right
B. Inspection
SUBTASK 53-05-02-250-001
(1) Do a High Frequency Eddy Current inspection of the upper skin along the upper fastener row
at stringers S-4L and S-4R from STA 259.5 to STA 360.
See Doc. D626A001-DTR, DTR check form 53-10-03-1, 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, Subject 53-30-41.
END OF TASK
TASK 53-05-02-250-803
2. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
221 Passenger Compartment - Aft of Control Compartment to Forward Entry Door - Left
222 Passenger Compartment - Aft of Control Compartment to Forward Entry Door -
Right
B. Inspection
SUBTASK 53-05-02-250-003
(1) Do a Low Frequency Eddy Current inspection of the lower skin along the lower fastener row at
stringers S-4L and S-4R from STA 259.5 to STA 360.
See Doc. D626A001-DTR, DTR check form 53-10-03-2, 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 53-30-50.
END OF TASK
TASK 53-05-02-250-805
3. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
NOTE: This procedure is a scheduled maintenance task.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 201
D633A101-ILF Feb 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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