What was found
PILOT REPORTS THAT THE AILERON CONTROL LOCKS UP AND WILL NOT TURN IN EITHER DIRECTION AND THEN RELEASES AND RETURNS TO NORMAL. UPON INSPECTION OF AILERON SYSTEM, IT WAS FOUND THAT THE CONTROL YOKE CONNECTION BEARING WAS STICKING AND WOULD NOT RELEASE UNTIL THE YOKE WAS MOVED EITHER FORWARD OR AFT. MFG TECH SUPPORT, WHO STATED THAT THE BEARING IS A 100 HOUR LUBRICATION ITEM AND THAT LUBRICATION SHOULD CLEAR UP THE PROBLEM. THE PART WAS LUBRICATED AND NO BINDING OF THE CONTROL COLUMN WAS FOUND. AC RETURNED FOR REPLACEMENT OF BEARING.