As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING OUT OF PIT EN ROUTE TO SBN, THE CREW RECEIVED AN AIRFOIL DE-ICE FAIL MESSAGE. THE CREW CONTACTED MAINTENANCE CONTROL AND WERE INSTRUCTED TO DIVERT TO CAK. MAINTENANCE INSPECTED AND REPLACED THE LEFT INBOARD LEADING EDGE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-30-24. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE AND REPOSITIONED BACK TO PIT.