# SDR ASAA2022082739681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2022
- Submitted: August 29, 2022
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 30,314 hours, 9,656 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Circuit Breaker
- Part number: UNKNOWN
- Condition: Open
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022082739681

## Discrepancy

LEFT FORWARD WINDOW HEAT OVERHEAT ANNOUNCIATOR ILLUMINATED. RAN QRH, LIGHT ILLUMINATED AGAIN. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 812 SELECTED WINDOW SENSOR SPARE POSITION NO HELP. OVERHEAT LIGHT ON FOUND C/B WINDOW HEAT POWER LEFT FRONT P6-12, B9 OPEN. RESET TO CLOSE. PERFORMED WHCU SYS TEST. TEST NORMAL. NO WINDOW HEAT LIGHT ILLUMINATED IAW B737-900 AMM 30+-41-11-710-801.

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