As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION-NOISE ENCOUNTERED IN FLIGHT. DATA VIBRATION REPORT CHECK LIST OBTAINED FROM FLIGHT CREW, TSM DECISION TABLE COMPLETED, ELEV & RUDDER HAD THE TWO HIGHEST SCORES. TROUBLESHOT VIBRATION WITH INFO GIVEN. FOUND RT AND LT OTBD ELEVATOR ACTUATOR ROD ENDS WORN WITH EXCESS FREEPLAY. ROD ENDS TO BE REPLACED.