What was found
ON FLIGHT 3261 THE CREW REPORTED THAT WHILE ON FINAL THEY RECEIVED AN "EICAS" WINDSHIELD HEAT 2 FAIL. WITH THE MESSAGE, GOT A SLIGHT O-ZONE SMELL. DESELECTED HEAT 2 + SMELL DISSIPATED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE WINDSHIELD HEAT 2 CONTACTOR, NO SMELL NOTED IAW EMB AMM 30-42-02. OPC BAD MSG WS HEAT 2 FAIL APPEARS IAW AMM 30-42-00. REMOVED AND REPLACED THE WINDSHIELD TEMP CONTROLLER IAW MM 30-42-01, OPS CHECK GOOD. CLEARED MEL 30-23, AUTH020654DM-C. THE AIRCRAFT WAS RETURNED TO SERVICE.