As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER INSTALLING A NEW SET OF TAIL ROTOR BLADES AND TGB ASSY AFTER THE LAST HALF SHELL FAILURE. WE FLEW THE ACFT HOME. ON INSPECTION OF THE HALF SHELL, WEAR WAS NOTICED. IAW ACFT MFG SAFETY INFORMATION NOTICE NR 2482-S-64. WE WILL BE REPLACING THE BEARING WITH NEW ONES. AGAIN, MFG WAS NOTIFIED ABOUT THE PROBLEM AND SAID THAT THEY WORKING ON IT AS FAST AS THEY CAN.