As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
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.