SDR SWAA2026020359350

Service difficulty report · Support · Boeing 7377H4

Difficulty date: January 7, 2026
Submitted: February 3, 2026
Operation: Air carrier
Aircraft: N243WN
Make and model: Boeing 7377H4
Aircraft serial: 34863
Aircraft time: 64,369 hours, 38,860 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: 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 THE AFT CARGO BAY LT FLOOR TO SIDEWALL SUPPORT PLATE AROUND MULTIPLE NUT PLATE HOLES, BS 727B - 767, LBL 22, WL 156. REMOVED & REPLACED THE FLOOR TO SIDEWALL SUPPORT BTWN BS 727+4 - 847, LBL 22 IAW SRM 51-40-02, & DWG:146A7500, REV A.

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