# SDR SWAA990423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N321SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23342
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 6546804
- Condition: Cracked
- Location: Bs 661
- 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/SWAA990423

## Discrepancy

DURING SCHEDULED 1/4D CHECK, FOUND FLOORBEAM CRACKED AT BL 0, BS 661.  REPAIRED BEAM PER SB 737-57-1210.

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