SDR SWAA2025081291350

Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date: July 14, 2025
Submitted: August 12, 2025
Operation: Air carrier
Aircraft: N232WN
Make and model: Boeing 7377H4
Aircraft serial: 32500
Aircraft time: 64,160 hours, 38,524 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sidewall Support
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: V
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 FWD CARGO COMPARTMENT FLOOR TO SIDEWALL SUPPORT BS 400-500D, LBL 22, WL 157. SUPPORT HAS MISSING FASTENER AND IS NOT DRILLED AT BS 396, LBL 22, WL 157. DRILLED HOLE AND INSTALLED FASTENER IAW SRM 51-40-05, SRM 51-40-02, AND DWG 143A7500 REV-. REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS 400-500D, LBL 22; WL 157 IAW SRM 51-40-02 AND DWG :143A7500 REV-.

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