# SDR USAA2009041490882

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2009
- Submitted: April 14, 2009
- Operation: Air carrier
- Aircraft: [N164AW](https://openairdocs.org/aircraft/N164AW), registered now
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23625
- Aircraft time: 69,468 hours, 23,625 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 65C385021
- 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/USAA2009041490882

## Discrepancy

SAL - C22 - MAJOR REPAIR - GALVANIC CORROSION ON KEEL BEAM BETWEEN BS 520 TO BS 540, S28L.  REPAIRED KEEL BEAM BETWEEN BS 520 TO BS 540, S28L IAW B737 SRM 53-60-12.

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