# SDR ASAA2017031320158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2017
- Submitted: March 15, 2017
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 11,426 hours, 3,713 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Message
- Condition: Intermittent
- Location: R1 Window
- Part time: 11,426 hours, 3,713 cycles
- 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/ASAA2017031320158

## Discrepancy

R1 FWD WINDOW OVERHEAT TURNED OFF FOR 7 MINUTES THEN BACK ON AND STILL ILLUMINATES.  ACFT GROUNDED. PERFORMED FIM TASK 30-41 TASK 801, COULD NOT FIND FAULT FOR WINDOW HEAT CONTROL WHCU. REMOVED AND REPLACED R1 WINDOW IAW AMM 56-11-11. OPS AND LEAK CHECKED GOOD.

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