# SDR UALA2011080103986

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2011
- Submitted: August 3, 2011
- Operation: Air carrier
- Aircraft: [N676UA](https://openairdocs.org/aircraft/N676UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30028
- Aircraft time: 38,366 hours, 9,627 cycles
- Engine: Pwa PW4052
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 79027013
- Part serial: 446
- Condition: Faulty
- Location: Lt Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011080103986

## Discrepancy

LEFT ENG HPSOV EICAS MSG ON DESCENT.  QRH PROCEDURE-CHECKLIST ACCOMPLISHED.  LT ENGINE BLEED SWITCH OFF.  REPLACED HPSOV ON NR 1 ENGINE RAN ENGINE, OP CHECKED GOOD.

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