As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 0690 OBSERVED F/O FWD WINDOW ARCING IN FLIGHT WITH NO EICAS INDICATION. FOLLOWED QRH 1.13 WITH ARCING STOPPING ONCE WINDOW HEAT REMOVED. BURN DAMAGE WAS OBSERVED ON F/O FWD WINDOW. CORRECTIVE ACTION: REMOVED AND REPLACED F/O NO.01 WINDSHIELD PER B757 AMM 56-11. REMOVED AND REPLACED HEAT CONTROL UNIT PER B757 AMM 30-41. (4724308)