# SDR ASOA201200240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2012
- Submitted: January 25, 2012
- Operation: Air carrier
- Aircraft: [N718EV](https://openairdocs.org/aircraft/N718EV), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10095
- Aircraft time: 22,513 hours, 15,615 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Condition: Failed
- Location: Lt Wing
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA201200240

## Discrepancy

LEFT WING ANTI ICE INDICATION AFTER TAKE OFF, QRH ACCOMPLISHED, WITHIN  SEC WING OVERHEAT POSTED, QRH C/W AGAIN.  BOTH RT AND LT WING ANTI ICE NOW POSTED AND INTERMITTENT FOR REMAINDER OF FLT APPROX 6 MIN, AND SO ON UNTIL LANDING.   WING ANTI-ICE MODULATING AND SHUTOFF VALVES   ACFT RETURNED TO DEPARTURE, EMERGENCY DECLARED. REPLACED LEFT WING ANTI-ICE VALVE IAW AMM 30-12-02, OP'S CHECKED GOOD.

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