# SDR CA140311010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2014
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Boeing 737248C
- Aircraft time: 76,235 hours
- Engine: Pwa JT8D17
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Heater
- Part number: 2312
- Condition: Shorted
- Location: Windshield
- Stage of operation: TX
- How discovered: O
- Nature of condition: M
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA140311010

## Discrepancy

(CAN) CAPTAIN`S MAIN WINDSCREEN WINDOW HEAT GOES DIRECTLY TO OVERHEAT WHEN SWITCH SELECTED. DURING TROUBLESHOOTING IT WAS FOUND THAT THE CONTROL BOX HAS AN INTERNAL SHORT CAUSING A VERY LARGE CURRENT DRAW POPPING THE MAIN POWER BREAKER. CONTROLLER REPLACED. MFG OF THE PART.

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