As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED LT AND RT WING ANTI-ICE CAUTION MESSAGE ON 5 MILE FINAL. RAN CHECKLIST FOR WING ANTI-ICE CAUTION. CAUTION REMOVED. CAUTION RETURNED ON SHORT FINAL WITH BLEED AIR CROSS BLEED SET TO FROM RT. MX INTERROGATED MDC. REPORTS AFLC INTERNAL FAULT. LOSS OF A AND B CHANNELS TO DCU'S. REPLACED AILC IAW CRJ AMM 30-12-400-801-A01. OPS CHECK GOOD. ACFT RETURNED TO SERVICE.