As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GROUND OPERATION THE PILOT FELT A "CLUNK" IN THE RUDDER SYSTEM WHILE OPERATING THE SERA SYSTEM. MAINTENANCE CREWS INVESTIGATED AND FOUND THE SERA LOCK ACTUATOR ROD END HAD BROKEN. THE ROD END WAS REPLACED, THE SYSTEM WAS FUNCTION CHECKED SERVICEABLE AND THE AIRCRAFT WAS RETURNED TO SERVICE.