As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HAND MAIN GEAR TIRE TREAD SEPARATED FROM CASING ALONG INBOARD EDGE FOR APPROXIMATELY 1 INCH. SEPARATION WAS NOTICED DURING A POST-FLIGHT WALK AROUND INSPECTION. THIS WAS ONE OF THREE SIMILAR OCCURRENCES WITHIN 30 DAYS ON TWO DIFFERENT MU-2'S. TIRE WAS RETURNED TO MFG FOR EVALUATION.