As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH INTO MSN CREW RECEIVED LEFT AND RIGHT WING ANTI ICE SYSTEM FAULT MESSAGES. THE AIRCRAFT BEGAN TO ACCUMULATE ICE DURING THE APPROACH PHASE OF FLIGHT. THE CREW DECLARED AN EMERGENCY TO LEAVE THE ICING AREA. THE FLIGHT DIVERTED FOR MAINTENANCE. MAINTENANCE REMOVED, INSPECTED AND REINSTALLED THE AILC CONNECTORS, OPS CHECK GOOD.