# SDR SWAA2025112831233

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2025
- Submitted: November 28, 2025
- Operation: Air carrier
- Aircraft: [N944WN](https://openairdocs.org/aircraft/N944WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36659
- Aircraft time: 50,834 hours, 31,078 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025112831233

## Discrepancy

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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