As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT INSP FOUND GOLFBALL SIZE BULDGE ON THE RT INBD (NR 3) TIRE LOCATED ON INNER SIDEWALL NEAR WHERE THE SIDEWALL AND THE TREAD CAP MEET. TIRE HAS 343.6 HRS AND 139 LANDINGS SINCE NEW. THIS IS THE THIRD OCCURANCE ON THIS ACFT ON PN 269K43-1 TIRES.