# SDR ASAA2021031334286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2021
- Submitted: March 16, 2021
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 18,929 hours, 6,012 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Message
- Condition: False Activation
- Location: R2 Window Heat
- 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/ASAA2021031334286

## Discrepancy

AT CRUISE R2 WINDOW OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE AFTER 5 MIN, TURNED SWITCH BACK ON AND OPS NORMAL. GROUNDED - YES. ACCOMP WINDOW HEAT TEST OVRHT/PWR TEST, TEST PASS REF B737-900 AMM 30-41-00-860-002.

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