As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A POST FLIGHT INSP, THE TAIL ROTOR DRIVE FITTING WAS FOUND CRACKED. TIME ON THE FITTING IS UNKNOWN. CRACK WAS FOUND RADIATING FROM THE BORE OF THE BARREL NUT ATTACHMENT. UNSURE IT THIS MAYBE THE CAUSE OF OVER TORQUING OF THE BOLT. NUT WAS REPLACED WITH NEW AND NO FURTHER ISSUES HAVE BEEN NOTED.