As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AUTOPILOT REMAINING IN THE `ON` POSITION IN FLIGHT AND MAKING UNCOMMANDED ROLL & PITCH MANEUVERS. DISCONNECT `RED` BUTTON ON STICK, PUSHING CONTROL STICK, AUTOPILOT SOFT-KEY, AND AUTOPILOT BREAKER ALL UNRESPONSIVE. AUTOPILOT WAS DISABLED BY PULLING NAV2 BREAKER SWITCH. AIRCRAFT HAS BEEN IN SERVICE SINCE JANUARY 2014. (TC# 20190627010)