Service difficulty report · Channel · Boeing 7377H4

Difficulty date
April 19, 2019
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N435WN
Make and model
Boeing 7377H4
Aircraft serial
32455
Aircraft time
55,870 hours, 32,984 cycles
Part
Channel
Condition
Corroded
Location
Fwd Cargo Lh
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

FWD PIT STA 400-500D; LBL25; Z CHANNEL UPPER SURFACE HAS CORROSION ADJACENT TO 34 EA FASTENER HOLES; MRK'D. / REMOVED DAMAGE AT FWD CARGO L/H ZEE ANGLE STA 400 TO 500D LBL 25. ORIG 'T' .040'; LOSS .012'; REMAINING .028' IS OUT OF LIMITS IAW B737-700 SRM 53-00-53-1A-2; REMOVED AND REPLACED L?H ZEE ANGLE IAW SRM 51-40-02-0G-0; 53-00-53-2R-5 P/N 143A7501-7

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