As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A LANDING GEAR/WHEEL TYPE SPEED RELATED VIBRATION WAS REPORTED BY THE FLIGHT CREW. INVESTIGATION REVEALED A BUMPED OUT AREA OF TREAD ON THE RIGHT OUTBOARD MAIN TIRE. THE AREA WAS APPROX 9 INCHES LONG PLUS THE TIRE WIDTH OF THE TREAD AREA. THAT AREA WAS .1875 TO .2500 HIGHER THAN THE REST OF THE TIRE TREAD. REMOVED AND REPLACED TIRE. CORRECTED PROBLEM.