As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT, PILOT EXPERIENCED SEVERE VIBRATION AND EXECUTED A PRECAUTIONARY LANDING. SUBSEQUENT INVESTIGATION REVEALED ONE OF THE TAIL ROTOR BLADES LOST A BLADE TIP WEIGHT. THE WEIGHT AND COMPOSITE MATERIAL WEIGHED APPROXIMATELY 92 GRAMS.