As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON CONTROL WHEEL FORCES HAVE EXCESSIVE DEAD BAND OR LACK OF FEEL EITHER SIDE OF NEUTRAL IN LANDING CONFIGURATION. ESPECIALLY NOTICEABLE, ALSO STIFF. *S/D* AILERON SYSTEM RERIGGED. AIRCRAFT TEST FLOWN AND THERE WAS NO EVIDENCE OF A DEAD BAND OR STIFFNESS IN THE AILERON SYSTEM.