# SDR ASAA2015112813974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2015
- Submitted: December 1, 2015
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 29,307 hours, 9,062 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Sensor
- Condition: Faulted
- Location: L2 Window
- Part time: 28,365 hours, 8,786 cycles
- Stage of operation: AP
- 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/ASAA2015112813974

## Discrepancy

LEFT SIDE FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED ON APPROACH.  WINDOW HEAT TURNED OFF IAW QRH TURNED WINDOW HEAT BACK ON AFTER 5 MINS, OPS NORMAL.  ACFT GROUNDED.  PERFORMED FIM 30-41, TASK 801 WHCU BITE TEST.  FOUND WINDOW SENSOR FAULT. PERFORMED FIM 30-41, TASK 811.  FOUND SENSOR TO BE WITHIN ACCEPTABLE LIMITS.  FOUND WINDOW RESISTANCE TO BE 62.4 WITH A RANGE OF 62.3-69.0 IAW WDM 30-41-12, PG 2.1.  REPLACED LEFT SIDE WINDOW AND COIL CORD PRESSURIZED AND OPS CK GOOD REF 56-12-11, 30-41-00 AND 05-51-91.

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