As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF FELT VIBRATION IN YOKE AND PEDALS TILL APPROX 60 KTS. VIBRATION WAS NOT NOTICED ON TAKEOFF. MAINTENANCE FOUND THE LT NOSE TIRE WAS OUT OF ROUND. REMOVED AND REPLACED THE LT NOSE WHEEL IAW AWA TASK CARD R4N32009.