As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT TAXIED OUT TO RUNWAY AND REPORTED NOSE TIRE WENT FLAT AIRCRAFT WAS RECOVERED. AFTER INSTALLING NEW WHEEL ASSEMBLY IT WAS FOUND THAT THE TUBE HAD A HOLE IN THE CENTER. THIS IS THE THIRD INCIDENT WITH THIS TUBE MANUFACTURER. SUSPECT THE MATERIAL, A BUTYL RUBBER, A FACTOR WHEN COMBINED WITH LOW WINTER TEMPERATURES.(K)