As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - RIGHT WINDSHIELD HEAT CAUTION MESSAGE DISPLAYED AND A HOT ELECTRICAL SMELL WAS NOTED. TURNED OFF WINDSHIELD HEAT SWITCH. MAINTENANCE REPLACED THE RIGHT WINDSHIELD TEMPERATURE CONTROLLER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.