As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AUTOPILOT APPROACH BOTH AUTOPILOTS ENGAGED BUT "SINGLE CHANNEL" ANNUNCIATED ON BOTH EADI'S. COULD NOT DUPLICATE. DFCS FAULT REVIEW LOGGED FCC "A" DROPPED IN APP FAULT NR 22 11414 FOR RELATED FLT LEG ONCE. PERFORMED DFCS CURRENT STATUS CK LRU FCC TEST NR 35 & LAND VERIFY TEST NR 49. ALL CHECK NORMAL REF FIM:22 11/801 MM:22 11 00 & 22 11 33. NO HISTORY 60 DAYS.