# SDR IPXA10558148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2009
- Submitted: January 15, 2010
- Operation: Air carrier
- Aircraft: [N472UP](https://openairdocs.org/aircraft/N472UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28843
- Aircraft time: 13,082 hours, 8,688 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 1200
- 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/IPXA10558148

## Discrepancy

INSPECTION TYPE: C2,  CORROSION FOUND ON LWR SURFACE OF THE UPPER CHORD AT LBL 4.7" BS 1200 OUT OF LIMITS.  REPAIRED FLOORBEAM AT BS 1200, IAW REV ATS ER NR 10-1000, AND EO NR B757-5310-36265-A.

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