# SDR DALA13009205650

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2013
- Submitted: February 26, 2013
- Operation: Air carrier
- Aircraft: [N550NW](https://openairdocs.org/aircraft/N550NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26497
- Aircraft time: 31,922 hours, 12,339 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 377.7
- 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/DALA13009205650

## Discrepancy

MAIN CABIN FLOORBEAM HAS CORROSION AT BS 377.7 LBL 63 TO RBL 5.  REMOVED CORROSION.  FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51.  ALLOWABLE DAMAGE 1 DETAIL III.

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