# SDR ASAA2012121893484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2012
- Submitted: December 20, 2012
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 15,248 hours, 4,687 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Part number: 8300005604
- Part serial: 12967D
- Condition: Faulty
- Location: Ee Bay
- Part time: 15,248 hours, 4,687 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012121893484

## Discrepancy

WINDOW HEAT LT-SIDE AMBER LIGHT CAME ON IN FLIGHT. QRH ACCOMPLISHED OFF 5 MINS THEN ON AFTER 2 MINS AMBER LIGHT CAME ON. MOVED TO OFF REMAINDER OF FLIGHT.  PERFORMED FIM 30-41-801. BITE TEST OK. FAULT HISTORY HAS WINDOW SENSOR FAULT.  PERFORMED TASK 30-41-811 TO STEP F.2.  SENSOR RESISTANCE OK. BECAUSE OF HISTORY REPLACED WINDOW HEAT CONTROL REF MM 30-41-11 AND L-2 WINDOW EXTENSION CORD PRECAUTIONARY.

---
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.