# SDR SWAA032075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2003
- Submitted: September 29, 2003
- Operation: Air carrier
- Aircraft: [N678AA](https://openairdocs.org/aircraft/N678AA), registered now
- Make and model: Boeing 737-3A4
- Registry model: [Boeing 737-3A4](https://openairdocs.org/model/boeing-737-3a4) (OpenAirDocs)
- Aircraft serial: 23290
- Aircraft time: 55,422 hours, 48,411 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 65621258
- 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/SWAA032075

## Discrepancy

DURING SCHEDULED 1/4D CHECK, FOUND RT KEELBEAM CORRODED BETWEEN BS 500D AND BS 520,STR 28R.  REPAIRED KEEL BEAM PER SWA EA.

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