# SDR ASAA2023041542888

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2023
- Submitted: April 17, 2023
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 45,445 hours, 13,029 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Module
- Part number: 233A3201302
- Part serial: F05114
- Condition: Faulty
- Location: Flight Deck
- Part time: 22,128 hours, 6,899 cycles
- 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/ASAA2023041542888

## Discrepancy

WINDOW HEAT R FWD OVERHEAT. GROUNDED - YES. REMOVED AND REPLACED WINDOW/PITOT HEAT MODULE PER B737-800 AMM 30-41-41. ALSO REMOVED AND REPLACED WINDOW HEAT CONTROL UNIT (WHCU) PER AMM 30-41-41. BITE TEST GOOD.

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