As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPERIENCING PROBLEMS WITH BOTH NEW AND DESSERTIRE RECAPPED TIRES. HAVE HAD MULTIPLE TIRES RANDOMLY GO FLAT AND UPON INSP HAVE FOUND THAT THE INTERIOR SEAM OF THE TIRE IS PUNCTURING THE TUBE. AT FIRST THIS WAS THOUGHT TO BE A RANDOM OCCURANCE BUT NOW WE ARE HAVING THIS OCCUR ON ALMOST A WEEKLY BASIS. WE ARE KEEPING ALL TIRES AND TUBES THAT HAVE FAILED FOR INSPECTION.