# SDR ASAA2017062521174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2017
- Submitted: June 30, 2017
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 37,197 hours, 11,342 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Light
- Part number: 00000
- Condition: False Activation
- Location: Window Heat
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017062521174

## Discrepancy

R2 WINDOW HEAT ILLUMINATED. RAN CHECKLIST, WINDOW HEAT STAYED OFF.  ACFT GROUNDED.  PERFORMED R2 WINDOW CONTROLLER BITE TEST IAW FIM 30-41, 801. BITE TEST PASSED. FAULT HISTORY LOGGED SEVERAL WINDOW SENSOR FAULTS. TROUBLESHOT IAW FIM 30-41, 812. CHECKED RESISTANCE ON R2 WINDOW TEMPERATURE SENSOR. RESISTANCE NORMAL WITH 180F HEAT APPLIED. AS A PRECAUTION REMOVED AND REPLACED R2 WINDOW HEAT CONTROL UNIT IAW AMM 30-41-11-401. OPS CHECKED NORMAL.

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