What was found
DURING TAKEOFF WITH MAX TAKEOFF POWER APPLIED, THE RIGHT RUDDER PEDAL WENT FULL FORWARD POSITION, TAKEOFF WAS ABORTED. TROUBLESHOT AND FOUND LINE GOING TO RUDDER BIAS ACTUATOR HAD FROZEN MOISTURE IN IT. REMOVED LINE AND PURGED MOISTURE, REINSTALLED LINE, OPS CHECK LEAK CHECK GOOD IAW CESSNA 650 M/M CHAPTER 27-20-01.