# SDR ASAA2016033016167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2016
- Submitted: April 1, 2016
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 6,533 hours, 2,166 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Warning Light
- Condition: False Activation
- Location: Window Heat
- Stage of operation: CR
- 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/ASAA2016033016167

## Discrepancy

LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED IN CRUISE, FL320.  RAN QRH, WAITED 5 MINUTES, TURNED SWITCH BACK ON.  OVERHEAT LIGHT DID NOT COME ON.  ACFT GROUNDED. RESET WHCU BITE AND PERFORMED OPS CHECK OF WINDOW HEAT SYS, REF AMM 30-41-00-839-001. OPS CHECK OK.

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