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
146A7502
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 727+14 TO 767, RBL 22 WL 156. REMOVED CORROSION AND FOUND OUT LIMITS IAW SRM 53-00-53-1A-2. REMOVED FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW FLOOR TO SIDEWALL AT BS 727-BS 767 RBL 22; WL 156; PER SRM 51-40-05-OG-0 DWG 146A7500 . INSTALLED NEW FLOOR TO SIDEWALL AT BS 727- BS 767 RBL 22 WL 156 . IAW 773-700 SRM 51-40-02-0G-0; DWG 146A7500 .

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