# SDR ASAA2021010333811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2021
- Submitted: January 7, 2021
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 44,103 hours, 13,068 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Part number: 8300005604
- Part serial: 8849D
- Condition: Inoperative
- Location: R2 Window Heat
- Part time: 48,171 hours, 14,155 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021010333811

## Discrepancy

R2 WINDSHIELD OVERHEAT ANNUNCIATOR ON.  GROUNDED-YES.  REPLACED WHCU, REF B737-800 AMM 30-41-11.

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