What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
During a descent to landing the pilot felt a vibration developing in the helicopters anti-torque pedals , cyclic control and airframe. Upon landing the pilot rolled off the throttle to flight idle and the vibrations worsened until the main rotor stopped. A visual inspection of the aircraft revealed damage to one of the tail rotor blades and damage to the right side of the tail boom of the helicopter. The tail rotor pitch link was detached from its connecting point. The retension bolt was not present.
As the FAA filed it
DURING A DESCENT TO LANDING THE PILOT FELT A VIBRATION DEVELOPING IN THE HELICOPTERS ANTI-TORQUE PEDALS , CYCLIC CONTROL AND AIRFRAME. UPON LANDING THE PILOT ROLLED OFF THE THROTTLE TO FLIGHT IDLE AND THE VIBRATIONS WORSENED UNTIL THE MAIN ROTOR STOPPED. A VISUAL INSPECTION OF THE AIRCRAFT REVEALED DAMAGE TO ONE OF THE TAIL ROTOR BLADES AND DAMAGE TO THE RIGHT SIDE OF THE TAIL BOOM OF THE HELICOPTER. THE TAIL ROTOR PITCH LINK WAS DETACHED FROM ITS CONNECTING POINT. THE RETENSION BOLT WAS NOT PRESENT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.