# SDR UALA2011111406219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2011
- Submitted: November 16, 2011
- Operation: Air carrier
- Aircraft: [N671UA](https://openairdocs.org/aircraft/N671UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30026
- Aircraft time: 44,270 hours, 11,529 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 77328915
- Part serial: 39
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011111406219

## Discrepancy

L HPSOV AND L BLEED LIGHT CAME ON FOR A MINUTE DURING BEGINNING OF DESCENT.  REPLACED AIR SUPPLY CONTROLLER.  ACP BITE TEST PER MM PASSED TEST.  OK FOR SERVICE.

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