What was found
CONTROL YOKE BINDS WITH A RACHET FEEL IN FLIGHT, IT IS MORE NOTICABLE ON LEFT YOKE. WITH AUTO PILOT ENGAGED A BUMPING CAN BE FELT ON LEFT CONTROL YOKE, NOT ON RIGHT. REMOVED COCKPIT FLOORBOARDS, DETERMINED THERE WAS A SPACER BINDING ON THE LEFT AILERON SECTOR BENEATH PILOT FLOOR. SPACER WAS FOR ROLL DISCONNECT MECHANISM. INSTALLED A NEW FASTENER (HL20PB6-13) TO PROPERLY RETAIN SPACER I/A/W THE MODEL 750 STRUCTURAL REPAIR MANUAL 51-40-03. REINSTALLED FLOORBOARDS. OPS CHECKS GOOD.