# SDR ASAA2015012810466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2015
- Submitted: February 2, 2015
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 27,392 hours, 8,405 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Window Heat
- Stage of operation: TX
- 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/ASAA2015012810466

## Discrepancy

DURING PREFLIGHT,  THE LT FWD WINDOW OVERHEAT WARNING CAME ON.  ACFT GROUNDED.  FOUND LT FORWARD WINDOW HEAT POWER CIRCUIT BREAKER OUT.  RESET THE CIRCUIT BREAKER IAW MM 20-60-01.  WINDOW HEAT OPS CHECKED NORMAL IAW MM 30-41-00.

---
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.
