# SDR SWAA2026071778959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2026
- Submitted: July 18, 2026
- Operation: Air carrier
- Aircraft: [N930WN](https://openairdocs.org/aircraft/N930WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36636
- Aircraft time: 55,646 hours, 33,976 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/SWAA2026071778959

## Discrepancy

CORROSION ON WEB UPPER SILL DOOR CUT OUT,  BS 787 TO 847, STR 18R, WL 200 IN THE AFT CARGO BAY.   REPLACED WEB UPPER MAIN SILL AND FASTENERS IAW SRM 51-40-02-0G-0; DWG 146A0080 SHEET 16 REV:A AND DWG 146A8111 SHEET 16 REV-.

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