# SDR UALA2010090203224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2010
- Submitted: September 3, 2010
- Operation: Air carrier
- Aircraft: [N677UA](https://openairdocs.org/aircraft/N677UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30029
- Aircraft time: 32,900 hours, 8,301 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 2780540102
- Part serial: 61
- Condition: Faulty
- Location: Apu
- 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/UALA2010090203224

## Discrepancy

APU VALVE FAILED TO OPEN FULLY. DUCT PRESSURE ONLY 5 PSI WITH BLEED SWITCH SELECTED OPEN.  REPLACED APU AIR SUPPLY SHUTOFF VALVE.  OPS CKS NORMAL.

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