As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED HEAVY VIBRATION ON FINAL APPROACH TO THE HELIPAD. FOUND THE INBD TAIL ROTOR HUB FLAPPING BEARING FAILED. OTBD TAIL ROTOR HUB, PN 429-012-101-117, SN DR18, FLAPPING BEARING ALSO EXTRUDING RUBBER AND HAS GAPS AND WILL ALSO BE CHANGED.