What was found
RT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED, PERFORMED QRH AND LIGHT WENT OUT THEN ILLUMINATED AGAIN. ACFT GROUNDED. PERFORMED WINDSHIELD HEAT CONTROL UNIT BITE CHECK. FOUND P9- CONTROL POWER FAULT. VERIFIED FAULT, CLEARED & PERFORMED WINDSHIELD HEAT CONTROL UNIT BITE CHECK, NO FAULT, ALL LIGHTS GREEN FIM 30-41-00-810-801. FOUND CONNECTOR LOOSE ON WINDOW, CORRECTED AND PERFORMED WINDOW HEAT SYS OPS CHECK IAW FIM 30-41-00-710-801 - WINDOW HEAT OPS NORMAL.