# SDR SWAA013342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2001
- Submitted: December 19, 2001
- Operation: Air carrier
- Aircraft: [N306SW](https://openairdocs.org/aircraft/N306SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 22946
- Aircraft time: 53,531 hours, 53,399 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Beam
- Part number: 6545410
- Condition: Cracked
- Location: Center Wing Box
- 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/SWAA013342

## Discrepancy

DURING SCHEDULED 1/4D CHECK, FOUND BS 663 FLOORBEAM CRACKED, BBL 0.  REPAIRED BEAM PER BOEING SB 737-57-1210

## Service documents this report cites (1) (OpenAirDocs)

Manufacturers' service documents named in its text, read by OpenAirDocs, so check each against the text.

- [Boeing SB 737-57-1210](https://openairdocs.org/service-documents/boeing/sb-737-57-1210.md). Cited as "BOEING SB 737-57-1210"

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
