As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ELEVATOR TRIM ACTUATOR/ADAPTOR SEPERATED CAUSING TRIM TAB TO FLUTTER. TRIM TAB CAUSED ELEVATOR TO FLUTTER AND CONTROL CHANNELS FOR RIGHT ELEVATOR TO CRACK LOSING RIGHT ELEVATOR CONTROL. NO SPECIFIC MM PROCEDURE FOR INSTALLING ACTUATOR/ADAPTOR CUTTER PIN.