Sep 13, 2023
Accident
Substantial Fargo, GA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The separation of the outer span of a tail rotor blade during flight as a result of localized intergranular corrosion due to a diminished protective coating at a critical location on the tail rotor blade surface that, combined with cyclic loading, resulted in fatigue crack propagation initiated at a corrosion site.
NTSB ERA23LA369