As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON SELECTING THE APP MODE AIRCRAFT LOST ALL FLIGHT DIRECTION, NR 1 AIRSPEED BUG, YAW DAMPER, BOOST PUMPS, BUT NO BUSS OFF LIGHT ILLUMINATED. THE AIRCRAFT LANDED AT CLE WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE AUTOPILOT ACCESSORY UNIT AND THE R2-9 RELAY. A LAND VERIFY CHECK WAS COMPLIED WITH AND ALL CHECKED GOOD.