As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH HIGH POWER SETTING, BOTH PEDALS ARE VERY DIFFICULT TO MOVE FROM BOTH COPILOT AND PILOT SIDE. SUSPECT RUDDER BIAS IS PRESSURIZING BOTH SIDES SIMULTANEOUSLY. RUDDER BIAS CHECKED OK ON GROUND. REMOVED RUDDER BIAS ACTUATOR AND ACTUATOR MOUNT. INSTALLED ACTUATOR TO MOUNT, LEAK CHECKED GOOD.