# SDR DXTA2011020104442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2011
- Submitted: February 1, 2011
- Operation: Air carrier
- Aircraft: [N979QS](https://openairdocs.org/aircraft/N979QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500079
- Aircraft time: 10,459 hours, 6,465 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Part number: 85611
- Part serial: 0347059
- Condition: Inoperative
- Location: Windshield
- Part time: 1,924 hours, 1,210 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2011020104442

## Discrepancy

ON TAXI OUT, AMBER WINDSHIELD HEAT INOPERATIVE LEFT CAS MESSAGE ILLUMINATED.  A STRONG ELECTRICAL ODOR WAS APPARENT.  RESET THE SYS AND THE MESSAGE REPEATED.   FOUND LT WINDSHIELD TEMP CONTROL BOX TO HAVE BURNED ELECTRONICS ODOR.  PERFORMED RESISTANCE CHECKS OF LT AND RT  WINDSHIELD WIRING.  ALL VALUES WITHIN SPECIFICATIONS.  R & R LT WINDSHIELD TEMP CONTROLLER WITH A TESTED UNIT, IAW MM 30-41-00.  ACCOMPLISHED WINDSHIELD ANTI-ICE OPS CHECK WITH ENGINES OPERATING.  NO DISCREPANCIES FOUND.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.