Service difficulty report · None · Boeing 7377H4

Difficulty date
September 1, 2022
Submitted
September 26, 2022
Operation
Air carrier
Aircraft
N262WN
Make and model
Boeing 7377H4
Aircraft serial
32519
Aircraft time
52,840 hours, 31,906 cycles
Part
None
Condition
Corroded
Location
Aft Cargo
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

AFT CARGO COMPARTMENT; RIGTH SIDE; FLOOR STRUCTURE 'Z' CHANNEL; AROUND FASTENER HAS EVIDENCE CORROSION BETWEEN STA 727C TO 727D. / [01] EVALUATED CORROSION AT AFT CARGO COMPT R/H FLOOR STRUCTURE Z CHANNEL BETWEEN STA 727C TO STA 727D;FOUND CORROSION TRU OUT OF LIMITS PER REF B737-700 SRM 51-10-02-0G-0.;[02] RECEIVED AND LOCATED AND DRILLED NEW Z CHANNEL P/N:146A7502-51 FROM STA 727 TO STA 767 PER REF B737-700 SRM 51-40-05-0G-0.;[03] OK TO TREAT AND PRIME NEW HOLES;[04] TREATED AND PRIMED NEW HOLES AT AFT CARGO COMPT R/H NEW Z CHANNEL P/N:146A7502-51 FROM STA 727 TO 767 PER REF B737-700 AMM 51-21-72-370-804 AND AMM 51-21-41-370-804.;[05] AFT CARGO COMPT R/H NEW Z CHANNEL P/N:146A7502-51 INSTALLATION REFERENCE TO TASK CARD#TTG8Q004AL4E.;[06] VERIFIED TREAT AND PRIME.<BR>VERIFIED INSTALLATION REFERENCE TO TASK CARD#TTG8Q004AL4E

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