As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSC - RUDDER VIBRATION AFTER ROTATION. VIBRATION CONTINUED IN FLIGHT, AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT FURTHER PROBLEM. RUDDER TRIM TAB TO TAB ACTUATOR ROD WAS BROKEN. REPLACED ROD AND RIGGED TRIM TAB I/A/W MM. THE ROD BROKE BECAUSE THE TAB ACTUATOR FORK END WAS 90 DEGRESS OUT OF POSITION. AIRCRAFT RETURNED TO SERVICE.