# SDR UALA2010011200151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2010
- Submitted: January 13, 2010
- Operation: Air carrier
- Aircraft: [N672UA](https://openairdocs.org/aircraft/N672UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30027
- Aircraft time: 36,599 hours, 9,695 cycles
- Engine: Pwa PW4056
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 2780539107
- Part serial: 2589
- Condition: Faulty
- Location: Lt Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010011200151

## Discrepancy

LT BLEED ISOLATION LIGHT CAME ON AND LO BLEED DUCT PRESSURE LT NEEDLE READS 10 PSI.  VALVE FOUND FAULTY.  REPLACED LT ISOLATION VALVE.   NORMAL OPS.

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