# SDR 2007UALA01228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2007
- Submitted: April 24, 2007
- Operation: Air carrier
- Aircraft: N509UA
- Make and model: Boeing 757222
- Aircraft serial: 24763
- Aircraft time: 55,801 hours, 20,920 cycles
- Engine: Pwa PW2037
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 1640
- 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/2007UALA01228

## Discrepancy

RT MAIN CABIN FLOORBEAM, UPPER CHORD HAS CORROSION BEYOND LIMITS, BS 1640, BETWEEN LBL10 TO RBL 87.   [SUP 05-04-07]  MAJOR REPAIR ACCOMPLISHED:  REMOVED DAMAGED CHORD. FABRICATED & INSTALLED NEW CHORD.

---
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.