# SDR UALA2008122607005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2008
- Submitted: December 29, 2008
- Operation: Air carrier
- Aircraft: [N675UA](https://openairdocs.org/aircraft/N675UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29243
- Aircraft time: 30,414 hours, 8,005 cycles
- Engine: Pwa PW4056
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Controller
- Part number: 77328915
- Condition: Faulty
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2008122607005

## Discrepancy

LT ENG BLEED LGT & LT ENG HPSOV EICAS MSG DURING TAKEOFF CLIMB, WITH ENG BLEED SW ON, & ENG RUNNING.  BITE OF PNEUMATIC CONTROL BOX FOUND FAULT OF: LEFT ENGINE 'HPC'. REPLACED LEFT ENGINE HIGH PRESSURE CONTROLLER.

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