What was found
WINDOW OVERHEAT, RT SIDE ILLUMINATED. FOLLOWED QRH. WHEN SWITCHED, TURNED BACK ON, OVERHEAT LIGHT DID NOT ILLUMINATE. OPS NORMAL. ACFT GROUNDED. COMPLIED WITH WINDOW HEAT OPS TEST IAW AMM 30-41-00-710-801. GROUND VERIFICATION, OPS CHECKED GOOD. NO HISTORY OF THIS FAULT FOR PREVIOUS 100 DAYS. OK FOR CONTINUED SERVICE.