SDR SWAA2026011451683

Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date: December 11, 2025
Submitted: January 14, 2026
Operation: Air carrier
Aircraft: N919WN
Make and model: Boeing 7377H4
Aircraft serial: 36625
Aircraft time: 56,768 hours, 34,183 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 LT AFT BODY TO SIDE WALL SUPPORT BS 489 - 500C, LBL 25, WL 156. REMOVED AND REPLACED THE SIDEWALL SUPPORT FROM BS 489 - 500D, LBL 25, WL 156 IAW SRM 51-40-02-0G-0, SRM 53-00-53-2R-5, DWG 143A7501, & 143A7500.

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