Jul 30, 2017
Accident
Substantial Tahlequah, OK
Injuries4 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The total loss of engine power, which resulted from fatigue failure of two engine through bolts and the No. 2 cylinder attachment studs due to the lack of sufficient clamping force.
NTSB CEN17LA292