# SDR UALA2013050203052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2013
- Submitted: May 17, 2013
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 70,532 hours, 12,677 cycles
- Engine: Pwa PW4077
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 04P238
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: TX
- 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/UALA2013050203052

## Discrepancy

NR 1 ENGINE 2.9 START BLEED. 2471-1.  BLEED VALVE NOT IN COMMANDED. POS' AFTER ENGINE START.  REPLACED VALVE.  TESTED NORMAL.

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