# SDR SWAA2025090397248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2025
- Submitted: September 3, 2025
- Operation: Air carrier
- Aircraft: [N903WN](https://openairdocs.org/aircraft/N903WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32457
- Aircraft time: 57,435 hours, 34,748 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2025090397248

## Discrepancy

MAIN CABIN FWD WET AREA; FLOORBEAM UPPER SURFACE; FITTING HAS CORROSION; STA 312; LBL 54.   REPLACED FITTING AND FASTENERS LOCATED ON BS 312 LBL54 FLOORBEAM IAW B737-700 SRM 51-40-02-0G-0 AND DWG:141A5503;SHEET:15;REV:-.

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