Service difficulty report · Support · Boeing 7377BD

Difficulty date
September 10, 2021
Submitted
October 1, 2021
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Support
Part number
146A750229
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 727A - 787+15, LBL21, WL156. REMOVED CORROSION AND FOUND OUT LIMITS SRM 53-00-53-1A-2. REMOVED AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-02-0G-0. FABRICATED, LOCATED, AND DRILLED A FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0, AND DWG 146A7500. FABRICATED REPAIR SPLICE IAW SRM 53-00-53-2R-5, REPAIR 5. INSTALLED FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-02-0G-0, AND DWG 146A7500.

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