# SDR 9JLA2021090225539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2021
- Submitted: September 2, 2021
- Operation: Air carrier
- Aircraft: [N445N](https://openairdocs.org/aircraft/N445N), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 45202
- Aircraft time: 5,865 hours, 4,571 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Part number: 908257
- Part serial: 248
- Condition: Faulty
- Location: Window Heat
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2021090225539

## Discrepancy

THE FLIGHT CREW REPORTED THAT THE CO-PILOTS WINDSCREEN WAS PRODUCING RT-HAND WINDOW HEAT FAIL AND FAULT INDICATIONS. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE ANTI-ICE CONTROLLER (P/N 90825-7 S/N 248) WAS DEFECTIVE. A SERVICEABLE CONTROLLER WAS INSTALLED AND OPERATIONAL CHECKS WERE COMPLETED WITH SATISFACTORY RESULTS. THE AIRCRAFT WAS RETURNED TO SERVICE.

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