# SDR ASAA201904296164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2019
- Submitted: April 29, 2019
- Operation: Air carrier
- Aircraft: [N479AS](https://openairdocs.org/aircraft/N479AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60576
- Aircraft time: 15,184 hours, 4,944 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Light
- Condition: False Activation
- Location: Window Heat
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201904296164

## Discrepancy

LEFT SIDE WINDOW HEAT OVERHEAT LT ILLUMINATED - RAN QRH - WHEN TURNED BACK - OVERHEAT LT REMAINED OFF. GROUNDED - YES. WINDOW HEAT OPS CHECKS OK. REF B737-900 AMM 30-41-00.

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