# SDR DALA1030695523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2010
- Submitted: November 8, 2010
- Operation: Air carrier
- Aircraft: [N523US](https://openairdocs.org/aircraft/N523US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 23617
- Aircraft time: 76,752 hours, 31,689 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1030695523

## Discrepancy

DURING L-CHECK FOUND CORROSION ON MAIN CABIN FLOORBEAM FLANGE.  REPAIRED PER SRM 53-00-51 PAGE 201-204 FIGURE 201.

---
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.