As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENROUTE, THE RIGHT ENGINE ANTI-ICE VALVE FAIL IN THE CLOSED POSITION. WITH FORECAST AND ACTUAL ICING CONDITIONS PRESENT AT ARRIVAL, AIRCRAFT DIVERTED. EAI VALVE REPLACED IAW AMM 30-21-02-401 EAI VALVE CONTROLLER REPLACED IAW AMM 30-21-03 PB 201 ENGINE RUN TEST EAI SYSTEM CARRIED OUT IAW AMM 30-21-00-720-804-001 NO FAULT ,SYSTEM CHECK SERVICEABLE.