SDR SWAA2025120127291

Service difficulty report · Support Plate · 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: Support Plate
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 LT FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES, BS 727B - 767, LBL 22, WL 156. CORROSION ON AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE; FOUND TO BE OUT OF LIMITS. REMOVED, REPLACED, AND INSTALLED A NEW AFT CARGO BAY 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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