As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE ALTITUDE CREW REPORTED LT FWD WINDOW HEAT EICAS LIGHT ON OVERHEAD PANEL. SMALL PUFF OF SMOKE OBSERVED NEAR CONNECTION. FOLLOWED QRH, TURNED OFF WINDOW HEAT, SMOKE QUICWINDOW AND RIGHT SIDE WINDOW CONTROLLER AND L1 WINDSHIELD OPERATION IS NORMAL.