As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE FIRST TWO ATTEMPTS TO ENGAGE THE AUTOPILOT SYSTEM, THE AIRCRAFT EXPERIENCED A SLIGHT ROLL. AIRCRAFT OPERATED NORMALLY AFTER ENGAGING THE AUTOPILOT SYSTEM FOR THE THIRD TIME. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED AUTOPILOT CONTROLLER AND OPERATIONAL CHECK GOOD.