As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT BEGAN TO SHAKE WHILE TAXIING, FELT LIKE SOMEONE WAS TAPPING ON THE RIGHT BRAKE PEDAL. FLANGE AT THE BEAD CRACKED (ABOUT 5 INCHES LONG) AND WAS CATCHING ON BRAKE CALIPER. NO KNOWN HARD LANDINGS. POSSIBLE CAUSE: WHEEL TOO SMALL FOR AIRCRAFT. CORROSION AND STRESS FROM 8 PLY TIRE AND 55 PSI AIR PRESSURE. SAVING THE PART.