Sep 29, 2021
Accident
Substantial Millen, GA
Injuries1 minor
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
The improper reassembly of the tail rotor gearbox following maintenance, which resulted in fatigue failure of the input pinion gear shaft, and the subsequent loss of tail rotor drive.
NTSB ERA21LA386