# SDR IPXA09556729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2009
- Submitted: July 22, 2009
- Operation: Air carrier
- Aircraft: [N401UP](https://openairdocs.org/aircraft/N401UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23723
- Aircraft time: 26,644 hours, 18,328 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 1A4N801749
- Condition: Corroded
- Location: Bs 1054
- 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/IPXA09556729

## Discrepancy

INSPECTION TYPE: C2 CORROSION ON TOP OF LONGITUDINAL FLOORBEAM, RBL 23.75 AT BS 1054.  BLENDED CORROSION OUT OF LIMITS, REMOVED AND REPLACED WITH NEW SEAT TRACK IAW SRM 51-40-08, 51-40-05 AND 5300-52-1A1.

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