# SDR ASAA2016111418684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2016
- Submitted: November 16, 2016
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 37,215 hours, 11,049 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Heater
- Part number: 56100024
- Condition: Malfunctioned
- Location: R2 Window
- Stage of operation: CR
- 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/ASAA2016111418684

## Discrepancy

RIGHT, SIDE WINDOW OVERHEAT ILLUMINATED ON REACHING CRUISE AT FLT. FOLLOWED QRH, WORKED NORMALLY FOR REMAINDER OF FLIGHT. ACFT GROUNDED. UNABLE TO CONFIRM DISCREPANCY IAW FIM TASK 30-40 TASK 811 AND WDM 30-41-11.  PRIMARY AND SPARE SENSOR BOTH RING OUT AT 324 OHMS, WITHIN LIMITS. R2 WINDOW HEAT CONTROLLER LOGGED SENSOR FAULT IN HISTORY. NO ACTIVE FAULTS LOGGED. DUE TO PREVIOUS WRITE-UPS AND ASSOCIATED TROUBLESHOOTING, MOVED PRIMARY SENSOR TO SPARE SENSOR LOCATION, IAW AMM 30-41-00.

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