# SDR SWAA042757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2004
- Submitted: September 24, 2004
- Operation: Air carrier
- Aircraft: [N675AA](https://openairdocs.org/aircraft/N675AA), registered now
- Make and model: Boeing 737-3A4
- Registry model: [Boeing 737-3A4](https://openairdocs.org/model/boeing-737-3a4) (OpenAirDocs)
- Aircraft serial: 23253
- Aircraft time: 59,345 hours, 53,023 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 6545866
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA042757

## Discrepancy

DURING SCHEDULED D-CHECK, FOUND KEEL BEAM CHORD AT BS 500C, STRINGER 28R, CORRODED.  REPAIRED CHORD PER ER.

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