As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O, RT RUDDER BECAME EXTREMELY DIFFICULT TO PUSH. PROBLEM CLEARED UP THEN HAPPENED AGAIN ON CLIMBOUT. RETURNED TO ATL. ON APPROACH RUDDER AGAIN BECAME DIFFICULT TO PUSH. INTERMITTANT, BUT REOCCURS OFTEN. REPLACED RUDDER POWER CONTROL ACTUATOR.