As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
230 KNOTS IN A CLEAN CONFIGURATION THE PLANE STARTING TO VIBRATE THROUGH THE YOKE AND RUDDER PEDALS. R & R RUDDER AND ELEVATOR TRIM TAB CONTROL HORN BEARING AND BOLTS IAW MM 20-10-08. PERFORMED FREE PLAY CHECKS IAW MM 27-90-30. OPS CHECKED GOOD.