As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT BRAKE DISC SEPARATED FROM WHEEL AFTER LANDING, AND SUBSEQUENT BRAKE APPLICATION. SUBMITTER STATED IT APPEARS AS IF THE BRAKE DISC MATERIAL FAILED AND PULLED AWAY FROM WHEEL BOLTS. THICKER MATERIAL WOULD HELP SOLVE PROBLEM. ADDING ANOTHER BOLT TO THE WHEEL/DISC WOULD HELP ALSO.