SDR SWAA2026022669638

Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date: February 11, 2026
Submitted: February 26, 2026
Operation: Air carrier
Aircraft: N247WN
Make and model: Boeing 7377H4
Aircraft serial: 32508
Aircraft time: 64,547 hours, 38,979 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 BAY FLOOR TO SIDEWALL SUPPORT, BS 500C+10 & 500C+15, LBL 24, WL 156. . REMOVED AND REPLACED THE FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BETWEEN BS 480+15 - BS 500D, LBL 24 IAW SRM 51-40-02-0G-0, AND DWG:143A7500, REV -.

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