As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER DEPARTURE, FROM PEAK FLIGHT HAD A LT ENGINE ANTI-ICE VALVE FAILURE ON ECAM. RE-SET INFLIGHT UNSUCCESSFUL. QRH PRECLUDED OPERATION INTO ICING CONDITIONS. EXPERIENCING ICING CONDITIONS AT ARRIVAL TIME. DECIDED TO DIVERT. LT ENGINE ANTI-ICE CONTROLLER TESTED PASSED, FOUND DIRTY FILTER IN CONTROLLER, FILTER CLEANED REINSTALLED, SYS CONSIDERED SERVICEABLE.