# SDR WRNA200700002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2007
- Submitted: February 23, 2007
- Operation: Air carrier
- Aircraft: [N526UP](https://openairdocs.org/aircraft/N526UP), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- Aircraft time: 89,777 hours, 16,916 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: 8121687
- Condition: Cracked
- Location: Fuselage
- 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/WRNA200700002

## Discrepancy

DURING 'C' CHECK, CAPTAINS AFT INBD SEAT TRACK WAS FOUND CRACKED, CRACKED VERIFIED WITH HFEC. REPLACED CAPTAINS AFT INBD SEAT TRACK IAW 747 MM 20-51-1.

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