# SDR HNAA2017040300101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2017
- Submitted: April 3, 2017
- Operation: Air carrier
- Aircraft: [N603KC](https://openairdocs.org/aircraft/N603KC), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145055
- Aircraft time: 44,733 hours, 37,390 cycles
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: Switch
- Condition: Failed
- Location: Anti Ice System
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2017040300101

## Discrepancy

WING ANTI ICE FAIL MESSAGE, ICE CONDITION ANTI ICE WARNING, AND BLEED 1 LEAK EICAS MESSAGES DISPLAYED.  RETURNED TO THE FIELD.  FOUND BROKEN WIRES TO THE THERMAL SWITCH ON THE NR 1 ANTI ICE VALVE.  R & R THE THERMAL SWITCH IAW AMM 36-20-02-400-801-A.  PERFORMED AN OPS CHECK IAW AMM 30-00-00-700-803-A, AND 30-00-00-700-802-A. OPS CHECKED GOOD AT THIS TIME.  ACFT OK FOR SERVICE.

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