# SDR ASAA2021081035679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 13, 2021
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 45,496 hours, 13,425 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Sensor
- Condition: Faulted
- Location: L1 Window
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021081035679

## Discrepancy

L1 WINDOW OVERHEAT, NOT IN SUNLIGHT. GROUNDED - YES. HARD FAIL PRESENT. WINDOW HEAT CONT LOGS SEVERAL WINDOW SENSOR FAULTS. SWITCHED TO SPARE SENSOR, FAULT CLEARED AND SYS OPS CKS NML PER B737-800 AMM 30-41-00, GND VERIFICATION SUCCESSFUL.

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