Service difficulty report · Support · Boeing 73779P

Difficulty date
June 19, 2017
Submitted
January 27, 2022
Operation
Air carrier
Aircraft
N7858A
Make and model
Boeing 73779P
Aircraft serial
29361
Aircraft time
37,332 hours, 24,709 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo Compt
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*** AROUND FASTENER AT AFT CARGO L/H FLOOR TO SIDEWALL SUPPORT STA727E+14 / REMOVED CORROSION FROM ACB FLOOR SUPPORT L/H BS 727-847 MORE THAN 50% MATERIAL LOST FOUND TO BE OUT OF LIMIT IAW SRM 51-10-02-0G-0 AND SRM 53-00-53-1A-2 FIG 103 LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT MADE FROM BAC1496-377 7075T62 LOT# 1286460 IAW SRM 51-40-05 AND DR# 146A7502 ALODINED AND PRIMED IAW AMM 51-21-41-370-802 AND AMM 51-21-72-370-804 AND INSTALLED IAW SRM 51-40-02-0G-0 56208U 23JUN17

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