# SDR ASAA2019061289645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2019
- Submitted: June 13, 2019
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 32,795 hours, 9,495 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Light
- Condition: False Activation
- Location: R2 Window Ovrht
- 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/ASAA2019061289645

## Discrepancy

R2 SIDE WINDOW OVERHEAT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED FIM 30-41 TASK 801 WHCU (BITE) NO CURRENT FAULTS. FAULT HISTORY SHOWED A BUS POWER FAULT. ACCOMPLISHED B737-800 FIM 30-41 TASK 806, WINDOW HEATER POWER DISCONNECTED. THE BIT VERIFY SHOWS NO FAULT. THIS IS AN INTERMITTENT FAULT AND SYSTEM IS OK FOR SERVICE. ACCOMPLISHED WINDOW HEAT OPERATIONAL TEST REF B737-800 AMM 30-41-00-710-801. OPS TEST NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
