As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SETTING T/O POWER ON DEPARTURE ROLL RUDDER PEDALS BECOME VERY STIFF (FEELS LIKE YAW-DAMP IS ON). ABORTED TAKEOFF AT STP AFTER REACHING 60 KIAS. A/C TAXI'S NORMAL AND RUDDER BIAS TEST WAS NORMAL. REMOVED AND INSTALLED A NEW RUDDER BIAS ACTUATOR, OPS CHECK GOOD IAW CE560XL M/M 27020-05.