Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 28, 2023
Submitted
August 24, 2023
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
57,834 hours, 34,664 cycles
Part
Channel
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 R/H Z CHANNE AT ST 727D + 8' ; RBL 20 HAS CORROCION ATROUND THE HOLE FASTENER (228-002) AFT CARGO R/H Z CHANNEL AT ST 727D + 8' RBL 21 HAS CORROSION AT ROUND THE HOLE FASTENER (228-00<[01] INSTALLED NEW FABRICATED Z CHANNEL R/H AFT CARGO; FROM STA. 727 TO STA. 767; PER REF SRM 51-40-02-0G-0; AND DRAWING # 146A7505;[02] CORRECTION STEP 1 INSTALLED NEW FABRICATED Z CHANNEL R/H AFT CARGO; FROM STA. 727 TO STA. 767; PER REF SRM 51-40-02-0G-0; AND DRAWING # 146A7502;[03] RII...VERIFIED FINAL CORRECTIVE ACTION.

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