# SDR DALA2025103007959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2025
- Submitted: October 30, 2025
- Operation: Air carrier
- Aircraft: [N711ZX](https://openairdocs.org/aircraft/N711ZX), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28481
- Aircraft time: 93,393 hours, 24,627 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Condition: Faulted
- Location: Window Heat
- Part time: 85,466 hours, 20,673 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025103007959

## Discrepancy

DIV/FUME- TO DTW DUE TO L1 WINDOW HEAT TURNED OFF DUE TO FUMES FROM CONNECTOR WITH ICING FORECAST ENROUTE.  REPLACED L1 WINDOW, WINDOW HEAT CONTROLLER AND WINDOW HEAT CONNECTOR.

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