# SDR ASAA2020012753966

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2020
- Submitted: January 28, 2020
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 22,128 hours, 7,243 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Sensor
- Condition: Failed
- Location: L1 Window
- Part time: 22,131 hours, 7,245 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/ASAA2020012753966

## Discrepancy

LEFT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED.   IAW QRH,  TURNED OFF FOR 4 MINUTES AND TURNED BACK ON.  LIGHT CAME BACK ON.  TURNED OFF FOR THE REMAINDER OF FLIGHT.  GROUNDED - YES. REMOVED AND REPLACED THE NR 1 WINDOW IAW AMM 56-11-11. PERFORMED WINDOW HEAT SYSTEM IAW AMM 30-41-00-710-801. TEST SUCCESSFUL. PERFORMED CABIN PRESSURE LEAK CHECK,  NO LEAKS DETECTED. OKAY FOR SERVICE.

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