As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMAND AP DISCONNECT, AP1 IN CRUISE SMOOTH AIR FL350 (3 TIMES). THE AIRCRAFT WAS GROUNDED. REPLACED FLIGHT CONTROL UNIT IAW AMM 22-81-12. OPERATIONS CHECK GOOD PER AMM 22-96-00. NO FAULTS NOTED. PERFORMED SATISFACTORY LAND CAT III CAPABILITY CHECK IAW AMM 22-97-00. AIRCRAFT LMP REMAINS CAT III DUAL.