# SDR P5CA0801575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2008
- Submitted: September 18, 2008
- Operation: Air carrier
- Aircraft: [N452PA](https://openairdocs.org/aircraft/N452PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30810
- Aircraft time: 33,989 hours, 5,684 cycles
- Engine: Ge CF680
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Shutoff Valve
- Condition: Defective
- Location: Nr 1 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0801575

## Discrepancy

NR 1 ENGINE AUTO START FAILED. TROUBLESHOT AND FOUND NR 1 PRSOV DEFECTIVE AMM36-11-04. (K)

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