# SDR ASAA2013010693624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2013
- Submitted: January 8, 2013
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 23,428 hours, 7,097 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 672906002
- Part serial: 10890502
- Condition: Failed
- Location: Nr1 Engine
- Part time: 19,652 hours, 8,226 cycles
- Stage of operation: NR
- 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/ASAA2013010693624

## Discrepancy

LEFT COWL VALVE (BLUE LIGHT) BRIGHT BLUE WITH EAI ON.  LIGHT WENT OUT WHEN SWITCH TO OFF.  REPLACED LT ENGINE THERMAL ANTI-ICE VALVE IAW AMM 30-21-11-400-801.  OPS CHECK NORMAL.

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