As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT CHECK OF THE AIRCRAFT THE NR 3, RT INBOARD, TIRE HAD A BULGE IN THE TREAD AREA OF THE TIRE. THE WHEEL AND TIRE WERE REPLACED WITH A SERVICEABLE UNIT. THIS UNIT HAD NOT FAILED AT THIS POINT BUT FAILURE OF THE TIRE COULD RESULT IN DAMAGE TO UNDERSIDE OF WING AND TO THE FLAP AREA.