# SDR USAA2009052991340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2009
- Submitted: May 29, 2009
- Operation: Air carrier
- Aircraft: [N313AW](https://openairdocs.org/aircraft/N313AW), registered now
- Make and model: Boeing 737-3S3
- Registry model: [Boeing 737-3S3](https://openairdocs.org/model/boeing-737-3s3) (OpenAirDocs)
- Aircraft serial: 23712
- Aircraft time: 69,436 hours, 43,048 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 654681143
- Condition: Corroded
- Location: Fuselage
- 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/USAA2009052991340

## Discrepancy

SAL - C21 - MAJOR REPAIR - NR 6201747 - GALVANIC CORROSION ON FLOOR BEAM AT BS986.5, RBL39. REPAIRED FLOORBEAM AT BS986.5, RBL39 IAW B737 SRM 53-00-51.

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