# SDR UALA2011042101932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2011
- Submitted: April 22, 2011
- Operation: Air carrier
- Aircraft: [N666UA](https://openairdocs.org/aircraft/N666UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29238
- Aircraft time: 45,978 hours, 12,479 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 7927558
- Part serial: 921215
- Condition: Failed
- Location: Nr 2
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011042101932

## Discrepancy

NR 2 ENG PRC FAILED HEALTH CHECK STEPS 5Q THRU U.  REMOVED AND REPLACED PRC VALVE ON THE NR 2 ENG IAW B767-300 AMM.  OPS CHECK GOOD.  USED OHM METER 13230064 CAL DUE DATE 08-05-2011.

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