As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT LIFT OFF PILOT HEARD AND FELT STRONG VIBRATIONS ON THE NOSE WHEEL. HE DECLARED AN EMERGENCY AND RETURNED TO BASE. DURING THE INVESTIGATION FOUND NOSE WHEEL OUT OF BALANCE. NOSE WHEEL ASSY WAS STRIPPED MAY 27/03 AND FOUND BALANCE PATCH GLUED TO TIRE UNBONDED WHICH CAUSE THE VIBRATION, THE PATCH WEIGHT IS 1 OUNCE.