# SDR UPS04541725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2003
- Submitted: January 16, 2004
- Operation: Air carrier
- Aircraft: [N407UP](https://openairdocs.org/aircraft/N407UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23729
- Aircraft time: 19,955 hours, 13,253 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Expansion Link
- 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/UPS04541725

## Discrepancy

INSPECTION TYPE: C, CORROSION ON EXPANSION LINK SEAT TRACK BS 886 - 893 RBL 45 WL 208.  REMOVED CORROSION FOUND TO BE OUT OF LIMITS.  REMOVED LINK, FABRICATED AND INSTALLED REPLACEMENT LINK IAW SRM 53-00-52, SRM 51-10-02 & SRM 51-40-02.

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