As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE TIRE LOOSING AIR PRIOR TO DEPARTURE. REPLACED NOSE TIRE ASSY (FOUND INNER TUBE SPLIT ON CENTER SEAM .1250 INCH). THIS IS AN ADDITIONAL FAILURE OF A MFG INNER TUBE. THIS WAS A CANADIAN MANUFACTURED TUBE AND THE DEFECT WAS AT THE CENTER SEAM.