Scio, OR, USA
N102LD
ELVIN JACK R JR ROTORWAY EXEC 162F
The pilot of the experimental helicopter reported that, he had performed maintenance on the tail rotor assembly. While checking the blade tracking and balance in a hover, a pitch change link retention bolt lost torque and separated from the tail rotor slide assembly, which resulted in the loss of control and subsequent rollover. The helicopter sustained substantial damage to the fuselage, tailboom, and main rotor system. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter and that he failed to ensure the maintenance was performed correctly.
The pilot’s improper maintenance on the tail rotor assembly, which resulted in the loss of control and roll over.
Source: NTSB Aviation Accident Database
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