As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) EROSION STRIP ON OTBD LOWER BLADE DEBONDED AND PEELED BACK CAUSING A SUBSTANTIAL VERTICAL VIBRATION. PILOT LANDED WITHOUT INCIDENT AND BLADE WAS TEMPORARILY REPAIRED AND FLOWN BACK TO BASE FOR BLADE REPLACEMENT UNDER GRANTED FLIGHT AUTHORITY.