# SDR UALA2013041802678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2013
- Submitted: May 15, 2013
- Operation: Air carrier
- Aircraft: N590UA
- Make and model: Boeing 757222
- Aircraft serial: 28708
- Aircraft time: 60,273 hours, 16,845 cycles
- Engine: Pwa PW2037
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Controller
- Condition: Failed
- Location: Reverse Flow
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013041802678

## Discrepancy

RIGHT ENGINE BLEED PRESSURE REGULATING AND SHUTOFF VALVE INOPERATIVE CLOSED.  APU PNEUMATIC ONLY INDICATES 15 PSI.  APU SHUTOFF.   REPLACED NR 1 ENGINE REVERSE FLOW CONTROLLER, OP CHECKED GOOD.

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