Boeing 737-600 - Subtask 53-05-02-250-140; Task 53-05-02-250-942 - EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE; Subtask 53-05-02-250-142; Task 53-05-02-250-944 - EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE

B. Inspection
SUBTASK 53-05-02-250-140
(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 727 to STA 887. (PSE 53-60-04-1).
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 53-05-02-250-942
188. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
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
B. Inspection
SUBTASK 53-05-02-250-142
(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 727 to STA 887. (PSE 53-60-04-2).
See Doc. D626A001-DTR, DTR check form 53-30-04-2, 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 53-05-02-250-944
189. EXTERNAL - SPECIAL DETAILED: LONGITUDINAL LAP SPLICE
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
B. Inspection
SUBTASK 53-05-02-250-144
(1) Do a High Frequency Eddy Current inspection of the upper skin along the upper fastener row
at stringers S-10L and S-10R from STA 727 to STA 887. (PSE 53-60-04-3)
See Doc. D626A001-DTR, DTR check form 53-30-04-3, 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, Subject 53-30-41.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 298.18
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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