# SDR UALA2010090803324

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2010
- Submitted: September 10, 2010
- Operation: Air carrier
- Aircraft: [N663UA](https://openairdocs.org/aircraft/N663UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27160
- Aircraft time: 75,025 hours, 12,220 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 77328915
- Part serial: 119
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010090803324

## Discrepancy

RIGHT ENGINE BLEED LIGHT CYCLED ON AND OFF 3 OR 4 TIMES DURING DESCENT AT 80 PERCENT N2.  AIR SUPPLY BITE MODULE FAULTS HPC. DEFFERED IAW MEL AND LOCKED HPSOV.  REPLACED RT ENG HPC, OPS NORMAL DURING ENG RUN.

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