What was found
RT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON APPROACH.CONDITIONS WERE IMC , AND NOT IN ICING CONDITIONS,BUTWELL BELOW THE TEMP WHERE A WINDOW SHOULD OVER HEAT. GROUNDED - YES. UPON A/C ARRIVAL RT SIDE WINDOW OVERHEAT LIGHT NOT ILLUMINATEDPERFORMED WINDOW HEAT OPS CHECK REF MM 30-41-00UNABLE TO DUPLICATE THE FAULT.ALSO, RAN WINDOW HEAT SYSTEM CHECK REF MM 30-41-11 ALL SYSTEM TEST PASSED AT THIS TIME.OPERATE WINDOW HEATS MULTIPLE TIME ON GROUND ALL OPS NORMAL.NO MAINT LIGHT OR ANY MSG'S RELATED. OK FOR SVC.SEAMC FELIX NOTIFIED.