# SDR UALA2012012300444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2012
- Submitted: February 24, 2012
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 62,290 hours, 8,789 cycles
- Engine: Pwa PW40903
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: S218W1015
- Part serial: 50
- Condition: Failed
- Location: Lt Engine
- 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/UALA2012012300444

## Discrepancy

ANTI-ICE VALVE ISSUE, FLIGHT DIVERTED.  EAI VALVE L LEFT ENGINE ANTI-ICE (EA I) VALVE FAILURE.  STATUS MSG01- LATCHED DESCENT MODE DEPENDENT; ENGINE ANTI-ICE VALVE (LEFT) IS FAILED IN CLOSED POSITION.  DB- ACIPS CONTROL CARD, LEFT (L EAI CARD).  REPLACED ENGINE ANTI-ICE VALVE PER AMM.

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