As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5342 - STL-MSP - WHEN WINDOW HEAT IS ON AND AIRCRAFT ENTERS ICING CONDITIONS, BOTH SHIELDS BEGIN TO SMOKE NEAR THE SENSOR BOX ONLY WHEN AIRCRAFT ANTI ICE SYSTEM IS ON. INSPECTED AND FOUND GROUND TERMINAL OF NR 2 WINDSHIELD MELTED. REMOVED AND REPLACED NR 2 WINDSHIELD AND TERMINAL END OF GROUND WIRE. OPS CHECK GOOD IAW EMB MM 56-10-01.