# SDR ASAA2020080752995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2020
- Submitted: August 7, 2020
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 19,171 hours, 6,139 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Part number: 8300005605
- Part serial: 24441
- Condition: Inoperative
- Location: Window Heat
- Part time: 19,171 hours, 6,139 cycles
- Stage of operation: DE
- 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/ASAA2020080752995

## Discrepancy

DURING DESCENT,  AROUND 17000FT LEFT SIDE WINDOW OVERHEAT ILLUMINATED, RESET IAW QRH AND LIGHT STAYED OFF.  GROUNDED - YES. REMOVED & REPLACED WINDOW HEAT CONTROL UNIT IAW AMM 30-41-11 & COIL CORD, OPS CHECKED NORMAL.

---
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.