Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
July 26, 2023
Submitted
August 22, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 cycles
Part
Sidewall Support
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

CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 727B+17 TO 847 LBL 21 WL 156<[01] VERIFIED STEP 1.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[02] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS; FABRICATED REPAIR PARTS; FOR ACB LH FLOOR TO SIDEWALL SUPPORT; BS 727 TO 847; LBL21; AND INSTALLED IAW SRM 53-00-53-1A-2; SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-20-01-0G-0; SRM 53-00-53-2R-5; AMM 51-21-72-370-804; DWG 146A7500 ; EA M-22-153-01550; THE DAMAGE WAS REPAIRED PER SRM 53-00-53-2R-5 (REPAIR 5) AND EA M-22-153-01550'.;[03] VERIFIED CORRECTIVE ACTION #2

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