# SDR ASAA2017050420636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2017
- Submitted: May 5, 2017
- Operation: Air carrier
- Aircraft: [N486AS](https://openairdocs.org/aircraft/N486AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44107
- Aircraft time: 6,561 hours, 2,222 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017050420636

## Discrepancy

ON DESCENT THE RIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. FOLLOWED THE QRH WAITED 3 MIN TURNED THE WINDOW HEAT SWITCH BACK ON AND THE OVERHEAT LIGHT ILLUMINATED AGAIN. GROUNDED - YES. PERFORMED FIM TASK 30-41 TASK 801, RESET FAULT ON WHCU RAN WINDOW HEAT FOR 30 MIN NO FAULTS NOTED

---
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.