# SDR CA111110005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2009
- Submitted: January 23, 2013
- Operation: Air carrier
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- Propeller: Rotol CR4086123F17
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Wire
- Condition: Damaged
- Location: Pitot Heater
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA111110005

## Discrepancy

(CAN) PITOT HEAT 2, PUSHER SYS FAIL, AND ENG ADAPT HEAT 1 CAUTION LIGHTS ILLUMINATED.  MX TROUBLESHOOTING DISCOVERED SEVERAL WIRES BELOW THE FLOOR, AT ZONE 133AZ, SHOWING SIGNS OF A SHORT CIRCUIT (BURNED).  OPERATOR REPAIRED THE DAMAGED WIRING.  ROOT CAUSE COULD NOT BE DETERMINED.  MFG IS INVESTIGATING THIS EVENT TO DETERMINE ROOT CAUSE.

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