TASK 53-05-02-250-857
88. INTERNAL - SPECIAL DETAILED: MAIN LANDING GEAR SUPPORT FRAME, STA 716
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
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
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
NOTE: Remove and/or displace passenger cabin sidewall panels, sidewall air grilles, and insulation
blankets as required to perform the inspection.
SUBTASK 53-05-02-250-057
(1) Do a High Frequency Eddy Current inspection of the frame web around the fasteners common
to the stringer clip at stringer S-16 and the forward and aft flanges of the frame inner chord
from 6 inches above and below stringer S-16.
See Doc. D626A001-DTR, DTR check form 53-40-19-1 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 53-40-05.
END OF TASK
TASK 53-05-02-250-858
89. INTERNAL - SPECIAL DETAILED: MAIN LANDING GEAR SUPPORT FRAME, STA 716
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
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
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
NOTE: Remove and/or displace passenger cabin sidewall air grilles, floor panels and insulation
blankets as required to perform the inspection.
SUBTASK 53-05-02-250-058
(1) Do a High Frequency Eddy Current inspection of the stub beam upper chord around the two
fasteners common to the crease beam inner chord.
See Doc. D626A001-DTR, DTR check form 53-40-19-2 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, Section 53-11-14.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-02
Page 250
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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