As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERONS ARE VERY STIFF OUT OF NEUTRAL POSITION. PULLED AILERON DISCONNECT AND DETERMINED THE STIFFNESS IS COMING FROM THE F/O'S SIDE. REMOVED AND REPLACED BOTH BUSHINGS IN RIGHT AILERON CONTROL COLUMN IAW 27-11-01. RERIGGED COCKPIT LOOP IAW 27-10-01. OPS CHECK GOOD WITH NO DISCREPANCIES.