# SDR ASAA2022032837808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2022
- Submitted: March 30, 2022
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 25,211 hours, 7,944 cycles
- Engine: Ge
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022032837808

## Discrepancy

LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT. GROUNDED - YES. PERFORMED BITE TEST ON WINDOW HEAT CONTROL UNIT LEFT FWD, FOUND WINDOW HEAT POWER LEFT FRONT C/B POPPED, RESET THE C/B, BITE TEST SUCCESSFUL, LEFT FWD WINDOW HEAT OK FOR SERVICE, REF B737-900 FIM 30-41 TASK 801.

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