# SDR DL73S050614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2005
- Submitted: October 20, 2005
- Operation: Air carrier
- Aircraft: [N329DL](https://openairdocs.org/aircraft/N329DL), registered now
- Make and model: Boeing 737232
- Aircraft serial: 23101
- Aircraft time: 53,427 hours, 42,058 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 6545410513
- Condition: Cracked
- Location: Bs 660
- 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/DL73S050614

## Discrepancy

THE LBL 24 LONGITUDINAL OVERWING FLOORBEAM WAS MODIFIED USING A PREVIOUSLY ACCEPTALBE C-CHANNEL THAT IS NOT ACCEPTABLE PER AD 2001-17-18.  CRACKS WERE FOUND IN THE BEAM AFT WEB AND WEB DOUBLER.  C-CHANNEL WAS REPLACED.  WEB REPAIR DOUBLER WAS INSTALLED, AND CRACKS WERE REMOVED PER ER/A 451073-14AD.

---
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.
