# SDR ASAA2022111240744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2022
- Submitted: November 14, 2022
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 56,682 hours, 16,628 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Circuit Breaker
- Part number: BACC18X25
- Condition: Tripped
- Location: Window Ovrheat
- Stage of operation: NR
- 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/ASAA2022111240744

## Discrepancy

WINDOW OVERHEAT LIGHT FOR LEFT INBOARD WINDOW ILLUMINATED. RAN QRH WITHOUT SUCCESS. GROUNDED - YES. FOUND B9 C/B ON P6-11 OPEN WITH C/B NAME PLATE BENT FORWARD. CLOSED C/B AND PERFORMED BITE TEST ON LEFT FRONT WHCU REF B737-800 AMM 30-41-11. BITE TEST OK. NO FAULTS NOTED.

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