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 SIDE WALL OPPOSITE THE VALVE STEM. THIS IS THE SECOND FLAT RELATED TO A TUBE.