SDR SWAA2025120127290

Service difficulty report · Sidewall Support · Boeing 7377CT

Difficulty date: October 22, 2025
Submitted: December 1, 2025
Operation: Air carrier
Aircraft: N7881A
Make and model: Boeing 7377CT
Aircraft serial: 35084
Aircraft time: 56,447 hours, 30,369 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 AFT CARGO BAY RT FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES, BS 727B - 767, RBL 22, WL 156. CORROSION ON AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE; FOUND TO BE OUT OF LIMITS. REMOVED, REPLACED, AND INSTALLED A NEW AFT CARGO BAY RT FLOOR TO SIDEWALL SUPPORT PLATE IAW SRM 53-00-53-1A-2; SRM 51-40-05-0G-0; SRM 51-40-02-0G-0 AND DWG 146A7500, REV-.

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