As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER MAKING A VERY SMOOTH LANDING, EXPERIENCED A EXTREMELY VIOLENT VIBRATION UNTIL SLOWING TO ABOUT 70 KNOTS. FBO LINEMAN STATED THAT OUR LEFT MAIN GEAR LOOKED LIKE A BLUR AS WE ROLLED OUT ON LANDING. LANDING GEAR VIBRATION INSPECTION IAW MM 6. NO DEFECTS NOTED.