As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)DURING PREMATURE OVERHUAL INCLUDING A MAGNAFLUX OF THE OUTPUT DRIVESHAFT, A CRACK WAS DETECTED ON THE SHAFT IN THE TAIL ROTOR CONE AREA, JUST INBOARD OF THE SPLINES SUPPORTING THE TAIL ROTOR YOKE. THECRACK EXTENDED FOR 0.5 INCHES IN A CIRCUMFERENTIAL DIRECTION AND OUTBOARD ALONG THE SPLINES FROM BOTH ENDS OF CRACK.