What was found
SHIP 5801 NOTICED RIGHT FORWARD WINDOW WAS BEING DAMAGED BY WHAT APPEARED TO BE ARCHING ON LOWER EDGE, RAN QRH LATTER WINDOW SHATTERED. CORRECTIVE ACTION: REMOVED AND INSTALLED F/O FIXED WINDSHIELD UP TO FIRST TORQUE. REF, B757 AMM 56-11. COMPLETED WINDSHIELD CHANGE PER B 757 AMM 56-11-01. OPS CHECKED NORMAL, REPLACED #1 F/OS WINDOW HEAT CONTROL UNIT OPS CHECKED NORMAL PER B757 AMM 30-41. (8319591)