# SDR ASAA2014091709149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2014
- Submitted: September 19, 2014
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 21,573 hours, 6,472 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 32156184
- Part serial: 4656
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 29,868 hours, 8,874 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/ASAA2014091709149

## Discrepancy

NR 1 COWL VALVE OPEN LIGHT REMAINED ILLUMINATED BRIGHT BLUE WITH TAI AMBER LIGHT DURING FLIGHT WITH ENGINE ANTI-ICE SWITCH TURNED ON.  ACFT GROUNDED.  REPLACED NR 1 ENGINE ANTI-ICE VALVE, OPS CK FAILED.  R & R VALVE AGAIN REF MM 30-21-11. LEAK & OPS CK GOOD REF SAME. GROUND VERIFICATION SUCCESSFUL.

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