As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HARD TO ROLL RIGHT, BUT ROLLS NORMAL BACK TO THE LEFT. TURNING OFF B-AILERON SERVO INBD, CAUSED UNCOMMANDED HARD LEFT ROLL. INSPECTION OF FLT CONTROL SYSTEM FOUND EXTREME BINDING IN LINKAGE BETWEEN LEFT INBD AILERON AND WHEEL WELL. LUBED LINKAGE BEARINGS UNTIL FREE, OPERATION NORMAL.