# SDR DALA2026021301038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2026
- Submitted: February 13, 2026
- Operation: Air carrier
- Aircraft: [N379DA](https://openairdocs.org/aircraft/N379DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30349
- Aircraft time: 80,559 hours, 32,636 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Part number: 8300005604
- Part serial: 15252D
- Condition: Arced
- Location: Glareshield
- Part time: 37,667 hours, 14,767 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026021301038

## Discrepancy

SPARK OBSERVED, FOLLOWED BY VERY CLOUD OF SMOKE. TO LEFT OF GLARESHIELD AT BOTTOM LEFT CORNER OF FWD WINDOW. L FORWARD WINDOW HEAT OVERHEAT ILLUMINATED. R&R LEFT FRONT WINDOW HEAT CONTROL UNIT PER B737 AMM 30-41. OPS CHECKED GOOD.

---
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.