As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THEY RECEIVED A NR 2 WINDSHIELD HEAT FAIL ON EICAS MESSAGE. REMAINED WITH PUSH BUTTON DESELECTED. THE CREW DECLARED AN EMERGENCY AND RETURNED TO MIA. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. REPLACED CONTACTOR WINDSHIELD NR 2 K0002 AND TEMP CONTROLLER 2. PERFORMED OPS TEST AND SYS OPERATING NORMALLY IAW EMB 30-42-01 AND 30-42-00. THE ACFT WAS RETURNED TO SERVICE.