# SDR ASAA2017022819970

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2017
- Submitted: March 3, 2017
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 6,813 hours, 2,245 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 56100026
- Part serial: 15100H8803
- Condition: False Indication
- Location: Cockpit
- Part time: 6,838 hours, 2,255 cycles
- 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/ASAA2017022819970

## Discrepancy

LEVEL OFF AT FL 310, RECEIVED A MASTER CAUTION ANTI-ICE RIGHT SIDE WINDOW OVERHEAT LIGHT. RAN WINDOW OVERHEAT QRH, LET WINDOW COOL FOR 5 MINUTES. OVERHEAT LIGHT CAME ON AGAIN WHEN THE SWITCH WAS TURNED ON. FOLLOWED QRH PROCEDURE AND TURNED OFF.  ACFT GROUNDED.  REMOVED AND REPLACED THE RT SLIDING WINDOW ASSY IAW AMM 56-12-11/401. OPS CHECKED AND TESTED GOOD.

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