As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TIRES WERE REPLACED BECAUSE THEY WOULD NOT HOLD AIR. INSPECTION REVEALED DILATING HOLES ALLOWING AIR LOSS TO CONTINUE AFTER SEVERAL DAYS. LEAKAGE BECAME WORSE TO THE POINT RE-INFLATION WAS NEEDED AFTER EACH FLIGHT. HIGH RISK OF LANDING WITH FLAT TIRE ON TRIP OVER 2 HOURS. MICHELIN NOTIFIED. DILATING HOLES ARE MARKED WITH GREEN, BUT NOT ALL HOLES LEAKED.