# SDR UIEA2019042603964

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2019
- Submitted: April 26, 2019
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- Aircraft time: 84,611 hours, 13,595 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Part number: 29155
- Part serial: 111
- Condition: Faulted
- Location: Window Heat
- Stage of operation: CR
- How discovered: O
- Nature of condition: M, B
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019042603964

## Discrepancy

RIGHT WINDOW WIRE STARTED TO SMOKE, WIRE TO HOT TO TOUCH. TURNED OFF RIGHT WINDOW HEAT(<P>INSPECTION FOUND WINDOW HEAT CONTROL  CONTROL CONNECTOR INSULATION MELTED AND WINDOW HEAT CONTROLLER 1R FAULTY. REMOVED AND REPLACED CONTROLLER R1 PER AMM 30-41-01 AND 30-41-01 AND CONNECTOR PER SWPM 20-10-13. R1 WINDOW HEAT OPS CHECK NORMAL. CONNECTOR P/N CWC01-1210</P>)

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