# SDR ASAA2023010641441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2023
- Submitted: January 9, 2023
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 33,873 hours, 10,665 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Sensor
- Condition: Faulted
- Location: Rt Sliding Wndw
- Part time: 50,532 hours, 15,922 cycles
- 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/ASAA2023010641441

## Discrepancy

RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED AT CRUISE. ASA QRH RAN, ILLUMINATED AGAIN AFTER SWITCH REPOSITIONED ON. SWITCH OFF FOR THE DURATION OF THE FLIGHT. GROUNDED - YES. FOUND WINDOW HEAT SENSOR FAULT ON BITE REMOVED AND REPLACE RH SIDE WINDOW DUE TO A/C HISTORY REF B737-900 AMM 56-12-11.

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