# SDR ASAA2019071230033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2019
- Submitted: July 15, 2019
- Operation: Air carrier
- Aircraft: [N448AS](https://openairdocs.org/aircraft/N448AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36356
- Aircraft time: 13,177 hours, 4,309 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019071230033

## Discrepancy

RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUM 5 MINUTES AFTER TOP OF CLIMB AT FL310. SAT -34C. IAS 288/.78M. GROUNDED - YES. IAW QRH, TURNED SWITCH OFF WAITED 5 MIN, THEN TURNED BACK ON. OVRHT LT REMAINED EXTINGUISHED.

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