# SDR UALA2012040902164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2012
- Submitted: April 10, 2012
- Operation: Air carrier
- Aircraft: [N777UA](https://openairdocs.org/aircraft/N777UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26916
- Aircraft time: 68,394 hours, 12,421 cycles
- Engine: Pwa PW4077
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012040902164

## Discrepancy

NR 1 ENGINE 2.9 BLEED VALVE REMOVED.  NEW VALVE BENCH CHECKED OK.  REPLACED 2.9 BLEED VALVE.  REPLACED 2.9 START-STAB BLEED VALVE SOLENOID.  OPS CHECKED GOOD, NO MESSAGE.

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