As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE, CAPTAIN FWD WINDSHIELD ARCING AND BURN MARKS. WINDOW HEAT EICAS MESSAGE. COMPLIED WITH QRH AND NO FURTHER ISSUES. ***EMERGENCY DECLARED*** DAMAGE TO OUTER PANE ONLY EA AND MEL APPLIED FOR FLIGHT TO IND FOR L1 WINDOW REPLACEMENT