As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT HAD A HARD LANDING AFTER A MAIN DRIVESHAFT COUPLING FAILURE. DURING THE INVESTIGATION IT WAS NOTED THERE WAS A HIGH POSSIBILITY OF A DRIVE SHAFT BOOT FAILURE WHICH LEAD TO THE DRIVESHAFT COUPLING, TRANSMISSION END, FAILURE DUE TO AN OVERHEAT. THE DRIVE SHAFT WAS INSPECTED THE PREVIOUS NIGHT AND A TOTAL OF 2.8 FLIGHT HRS ACCUMULATED BEFORE COUPLING FAILURE.