# SDR ASAA2021100136146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2021
- Submitted: October 8, 2021
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 22,593 hours, 7,067 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: None
- Condition: None
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021100136146

## Discrepancy

L SIDE WINDOW HEAT OVERHEAT IN FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 801 WINDOW HEAT BITE TEST. SYSTEM TEST NORMAL LEFT SIDE (M322) TEST PASSED.

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