As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKE OFF, THE AIRCRAFT EXPERIENCE A COMPLETE LOSS OF THE AIRCRAFT ANTI ICING SYSTEM. AN ATTEMPT TO RESET THE SYSTEM WAS UNSUCCESSFUL AND RESULTED IN THE AIRCRAFT RETURNING TO POINT OF DEPARTURE. PRSOV REPLACED PER 36-11-03-04 TESTED PER 36-00-00-05. WING A-I TEST CARRIED OUT PER 30-11-00 TESTED OK.