# SDR SWAA990558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N303SW](https://openairdocs.org/aircraft/N303SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 22943
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Part number: 6545866
- Condition: Corroded
- Location: Bs 545.9
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990558

## Discrepancy

DURING SCHEDULED 1/2D CHECK, FOUND INTERGRANULAR CORROSION ON KEEL BEAM, RT O/B SIDE BS 545.9.  REPAIRED BEAM PER SWA RA NR 1-353-2044.

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