# SDR UALA2012022801207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2012
- Submitted: March 15, 2012
- Operation: Air carrier
- Aircraft: [N661UA](https://openairdocs.org/aircraft/N661UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27158
- Aircraft time: 80,986 hours, 13,018 cycles
- Engine: Pwa PW4060
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 7732882
- Part serial: 28
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012022801207

## Discrepancy

20 PSI DUCT SPLIT ON CLIMBOUT.  LEFT DUCT 60 PSI, RT DUCT 40 PSI.  NO SPLIT AT CRUISE POWER.  REPLACED NR 1 ENG PRSOV.  OPS GOOD.

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