As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABNORMAL VIBRATION IN THE CONTROL YOKE. THE VIBRATION INCREASED AS AIRSPEED INCREASED AND DIMINISHED WHEN AIRSPEED WAS DECREASED. COMPLETED GENERAL VISUAL INSPECTION OF THE AIRCRAFT EXTERIOR INCLUDING ALL GEARS & FLIGHT CONTROLS, FOUND EXCESSIVE PLAY ON LH ELEVATOR TRIM TAB & LH & RH PRECOOLER RAM AIR INLET DOORS. REPLACED ALL HARDWARE, OPS CHECK GOOD AS PER CE560XL AMM REF CHAPTER #27-32-03 & 36-11-01.