# SDR 2007UALA05340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2007
- Submitted: February 14, 2008
- Operation: Air carrier
- Aircraft: N595UA
- Make and model: Boeing 757222
- Aircraft serial: 28748
- Aircraft time: 39,413 hours, 10,948 cycles
- Engine: Pwa PW2037
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Controller
- Condition: Malfunctioned
- Location: Nr 1 Engine
- 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/2007UALA05340

## Discrepancy

FOUND THIN PIECES OF METAL IN HI-STAGE VALVE NR 1 ENGINE.  REPLACED HIGH STAGE VALVE AND HIGH STAGE CONTROLLER, ALSO ACCOMPLISHED A BOROSCOPE WITH NO DAMAGE NOTED TO INTERNAL AREAS.  NO FURTHER DAMAGE WAS FOUND.

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