As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN ICING CONDITION RECIEVED ANTI ICE WING FAIL CAUTION. RAN QRH AND MESSAGE PERSISTED. (FLIGHT 3792) ARRIVED AT ACFT WITH NO CURRENT FAULT. INTERROGATED CMC & FOUND NO ASSOCIATED FAULT CODE WITH ANTI-ICE WING FAIL MESSAGE. TROUBLESHOT ANTI-ICE FAIL CAUTION MESSAGE IAW FIM 30-11-00-810-817A. PERFORMED MULTIPLE OPS CHECK OF WING ANTI-ICE SYSTEM IAW AMM 30-11-00-710-801-A WITH BOTH APU AND ENGINES AS BLEED AIR SOURCES WITH NO DEFECT FOUND. NO 30-DAY HISTORY. ACFT OKAY FOR SERVICE.