# SDR SWAA2025070781514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2025
- Submitted: July 7, 2025
- Operation: Air carrier
- Aircraft: [N561WN](https://openairdocs.org/aircraft/N561WN), registered now
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 32417
- Aircraft time: 65,123 hours, 41,820 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/SWAA2025070781514

## Discrepancy

CORROSION ON FCB DOOR CUTOUT SURROUND SUB-THRESHOLD BS460+5,  RBL29, WL156.   REMOVED AND REPLACED ON FCB DOOR CUTOUT SURROUND SUB-THRESHOLD WEB IAW SRM 51-40-02-0G-0 AND DWG 143A8330 REV:A.

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