# SDR UALA2011080804147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2011
- Submitted: September 6, 2011
- Operation: Air carrier
- Aircraft: [N666UA](https://openairdocs.org/aircraft/N666UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29238
- Aircraft time: 47,167 hours, 12,750 cycles
- Engine: Pwa PW4056
- System (JASC): [2915 · Hydraulic Pressure Relief Valve, Main](https://openairdocs.org/jasc/2915)
- Part: Shutoff Valve
- Part number: 3415251
- Part serial: 712202R
- Condition: Leaking
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011080804147

## Discrepancy

ACTIVE HYDRAULIC LEAK FOUND CTR NR 1 ISOLATION VALVE.  REPLACED ACMP PRESSURE SHUT-OFF VALVE PER MM.

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