As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING, A 'THUMPING' NOISE WAS NOTICED WHEN THE NOSE WHEEL TOUCHED DOWN. INSPECTION REVEALED A BULGE IN THE NOSE TIRE SIDE WALL THAT WAS CONTACTING THE NOSE FORK DURING ROTATION OF THE TIRE. THE TIRE, OTHERWISE, APPEARED TO BE IN GOOD CONDITION.