SDR SWAA2025112831233

Service difficulty report · Web · Boeing 7377H4

Difficulty date: November 3, 2025
Submitted: November 28, 2025
Operation: Air carrier
Aircraft: N944WN
Make and model: Boeing 7377H4
Aircraft serial: 36659
Aircraft time: 50,834 hours, 31,078 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
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 LOWER SILL BETWEEN BS 794.3 TO BS 847, RBL 23, WL 156. REPLACED LOWER SILL WEB AND FASTENERS LOCATED BETWEEN BS 794.3 TO BS 847 AND RBL 23 WL 156 AFT CARGO COMPARTMEN IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 146A8340 SHEET 28 REV -.

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