What was found
AFTER START FLIGHT CONTROL CHECK ROLL CONTROL FELT MORE HEAVY THAN NORMAL. NO OBVIOUS POINTS WHERE CONTROLS HUNGUP, IT WAS FULL TRAVEL JUST A MOVE HEAVY FEEL. AIRBORN NOTICED DEFINITE HEAVIER THEN NORMAL CONTROL FEEL IN ROLL CONTROL. HAND FLEW MOUTH OF 1 HOUR FLIGHT TO ASSESS CONDITION. APPROACH AND LANDING FELT VERY HEAVY IN ROLL CONTROL. AFTER LANDING PULLED ROLL DISCONNECT TO SEE IF A SPOILER OR AILERON ISSUE. SPOILERS (CAYOKE) FELT LIGHT AND NORMAL. AILERON (FOYOKE) FEELS EXTREMELY HEAVY. MX CONT NOTIFIED. REMOVED FROM SERVICE. PERFORMED AILERON CONTROL SYSTEM OPS CHECK IAW 27-10-00-710-801. OPS CHECK GOOD. PERFORMED AILERON TRIM SYSTEM OPS CHECK IAW 27-13-00-710-802. OPS CHECK GOOD. NO FURTHER DEFECTS. MTX CONTROL REQUEST REMOVAL OF ROLL ACTUATOR. REMOVED ROLL ACTUATOR IAW Q400 AMM 22-11-000-801. INSTALLED ROLL ACTUATOR IAW 22-11-16-400-801. PERFORMED OPS TEST OF PITCH AND ROLL ACTUATORS IAW Q400 AMM 22-11-00-710-801. OPS TEST PASS. COMPLETED FREEDOM OF MOVEMENT CHECK, ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED PER GPM 9.2(FREEDOM OF MOVEMENT CHECK).