As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT THRU FL 300, RIGHT SIDE WINDOW OVERHEAT ANNUNCIATOR CAME ON. RAN QRH PROCEDURE LIGHT WENT OUT AND STAYED OUT AFTER TURNING WINDOW HEAT BACK ON. ACFT GROUNDED. TAPPED RT SIDE WINDOW IAW WDM 30-41-11. REPLACED R2 WINDOW IAW AMM 56-12-11. LEAK AND OPS TEST GOOD.