SDR SWAA2026102643393

Service difficulty report · Sidewall Support · Boeing 7378

Difficulty date: September 28, 2026
Submitted: October 27, 2026
Operation: Air carrier
Aircraft: N8739L
Make and model: Boeing 7378
Aircraft serial: 60231
Aircraft time: 17,541 hours, 8,545 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 HAD MULTIPLE AREAS AROUND NUT PLATE HOLES BS 727B - 767, RBL 22, WL 156. REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05-0G-0, SRM 51-40-02-0G-0, & DWG 146A7500, REV -.

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