# SDR ASAA2022052038407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2022
- Submitted: May 24, 2022
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 51,887 hours, 15,097 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022052038407

## Discrepancy

PILOT (CA) #1 WINDOW HEAT INOPERATIVE. GROUNDED - YES. WHCU SYS TEST C/OUT IAW B737-800 AMM 30-41-11-710-801, TEST PASSED. BITE TEST OF #1 WINDOW WHCU PASSED. NO FAULTS NOTED. OK FOR SVC.

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