As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH AIRCRAFT AT CRUISE, 2,500 RPM., ONE BLADE FAILED AT 14.6250 INCHES FORM CENTER OF HUB. IT WAS A CLEAN BREAK WITH NO SIGN OF NICK OR SCRATCH ANYWHERE ON THE BLADE. ENGINE VIBRATION BROKE ALL 4 ENGINE MOUNTS. ENGINE DROPPED INTO BOTTOM OF COWLING AND SHUT-DOWN. PILOT DEAD STICKED AIRCRAFT TO AIRPORT AND MADE AN UNEVENTFUL LANDING. NO INJURIES. NTSB IS INVESTIGATING BLADE FAILURE.