# SDR ASAA2020041652616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2020
- Submitted: April 16, 2020
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 49,208 hours, 14,628 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Sensor
- Condition: Faulted
- Location: Sliding Window
- Part time: 77,829 hours, 14,138 cycles
- Stage of operation: CL
- 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/ASAA2020041652616

## Discrepancy

LEFT SIDE FWD WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMBOUT. RAN THE CHECKLIST AFTER WAITING 3 MINS WITH SWITCH OFF THEN BACK ON, LIGHT REMAINED EXTINGUISHED.  GROUNDED - YES.   PERFORMED BITE CHECK ON LEFT WHCU FOUND P5-9/CONTROL POWER ILLUMINATED.  REMOVED AND REPLACED LEFT NR 2 OPENABLE WINDOW IAW AMM 56-12-11/401.  CABIN PRESSURE LEAK TEST AND WINDOW HEAT SYSTEM TESTED GOOD.

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