As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE FUNCTION CHECKING THE AILERON CONTROL SYSTEM PRIOR TO FLIGHT THEY BECAME HARD TO OPERATE. THE CO-PILOT'S CONTROL COLUMN BEARING ON OUTER SURFACE OF FIREWALL WAS FOUND TO BE UNSERVICEABLE. THE NEEDLE BEARINGS HAD DEPARTED THE CAGE. THE BEARING WAS REPLACED NEW AND THE AILERON SYSTEM WAS FUNCTION CHECKED SERVICEABLE.