What was found
(CAN) MFG EXPERIENCED A PARTIAL POWER LOSS IN CRUISE FLIGHT. PILOT IMMEDIATELY ATTEMPTED A LANDING HOWEVER ACFT EXPERIENCED A COMPLETE LOSS OF POWER JUST BEFORE TOUCHING DOWN. ACFT SUSTAINED SUBSTANTIAL DAMAGE FROM HARD LANDING. ACFT WAS RECOVERED BY THE OPERATOR. ENGINE WAS REMOVED AND SENT TO ENGINE SHOP FOR INSPECTION. NO PERFORMANCE ISSUES WERE NOTED ON INITIAL ENGINE RUN ON THE DYNO. DURING ENGINE TEAR-DOWN, FLAKING WAS NOTED ON THE CAM SHAFT.