As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE BETWEEN 90-100 KTS, THERE WAS SIGNIFICANT NOSE WHEEL VIBRATION. AFTER THE GEAR DOOR HAD CLOSED, VIBRATION STOPPED AFTER 8 SECONDS. NOTICED SEVERE VIBRATION DURING INTIAL BRAKING UPON LANDING. AIRCRAFT REMOVED FROM SERVICE. REPLACED NR 1 AND NR 2 NLG WHEEL AND TIRE ASSY'S IAW TASK CARD 6324102. NO OTHER DEFECTS NOTED.RETURNED TO SERVICE.