# SDR UALA2011060202679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2011
- Submitted: June 3, 2011
- Operation: Air carrier
- Aircraft: [N667UA](https://openairdocs.org/aircraft/N667UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29239
- Aircraft time: 46,015 hours, 12,594 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 77328915
- Part serial: 34
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011060202679

## Discrepancy

RT ENG BLEED, RTFL.  REPLACED HPSOV CONTROLLER.  ACCOMPLISHED ITEM B.2 HPSOV-HPC SYSTEM CHECK.  HPSOV-HPC SYSTEM TEST PASSED CHECK.  REPLACED PRV CONTROLLER PER AMM FOR TROUBLESHOOTING.  REPLACED THE PRESSURE REGULATING SHUTOFF VALVE. (P/N 773288-7-8-10 (S/N 157).  ACCOMPLISHED PRV-PRC SYSTEM AND FAMV SYSTEM HEALTH CHECK.  NO FAULTS, TEST PASSED.

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