# SDR SWAA2025111122651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: November 11, 2025
- Operation: Air carrier
- Aircraft: [N236WN](https://openairdocs.org/aircraft/N236WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34631
- Aircraft time: 64,050 hours, 38,395 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold 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/SWAA2025111122651

## Discrepancy

FWD CARGO BAY CORROSION ON DOOR SURROUND STRUCTURE SUB THRESHOLD WEB AT FASTENER HOLES; BS 440 - 490.   REMOVED AND REPLACED SUB THRESHOLD WEB IAW SRM 51-40-02, AND DWG 143A8330, REV-.

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