What was found
(CAN) PILOT COMPLAINED ABOUT AILERON STIFF TO MOVE AND WOULD OCCASIONALLY STICK IN THE FULL RT POSITION. UPON MAINTENANCE TROUBLESHOOTING IT WAS NOTICED THAT THE LT AILERON TRIM ACTUATOR THAT WAS RECENTLY REPLACED, APPROXIMATLY 80 HOURS PREVIOUS, WAS AGAIN STIFF TO OPERATE. IT WOULD ALSO STICK IN THE FULL EXTENDED POSITION. TRIM ACTUATOR WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. TRIM ACTUATOR WAS PASSED INTO QA WHO SENT TRIM ACTUATOR FOR FURTHER INVESTIGATION.