As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT WAS PARKED ON RAMP AFTER FLIGHT AND A COUPLE HOURS LATER A PASSING PILOT NOTICED THE NOSE TIRE COMPLETELY FLAT. MX REMOVED THE TIRE AND DISCOVERED THAT THE TUBE HAD A 1" LONG SPLIT IN IT. THIS HAS BEEN A COMMON OCCURRENCE ON THIS SIZE OF TUBE OVER THE LAST WHILE. TUBE WAS REPLACED.