# SDR ASAA2022102240415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 27,410 hours, 8,603 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: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022102240415

## Discrepancy

PILOT L1 WINDOW HEAT OVERHEAT LIGHT CAME ON 2-3 MINUTES AFTER TURNING ON. GROUNDED - YES. INSPECTED & FOUND L1 WINDOW CB OPEN. PERFORMED CB WIRE INSPECTION REF B737-900 AMM 20-60-01. PERFORMED WINDOW HEAT OPS TEST REF AMM 30-41-00. SYS OPS NML.

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