As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE WINDSHIELD AIR OVERHEAT LIGHT ILLUMINATED DURING DESCENT IN ICING CONDITIONS. THE RAT WAS 5 DEGREES. COULD ALSO SMELL A BURNING ODOR. PERFORMED MULTIBLE OPS CHECKS TO WINDSHIELD ANTI-ICE. NO DEFECTS NOTED. PERFORMED RE RIGGING OF MANUAL CONTROL VALVES. OPS CHECK GOOD. NO NOTABLE ODOR IN COCKPIT AND CABIN WITH HEAT SELECTED ON FOR SEVERAL MINUTES. ALL WORK COMPLIED WITH IAW MM 30-41-00, 30-41-04.