Aug 24, 2013
Accident
Substantial Tokotna, AK
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
A total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic’s application of insufficient torque on the cylinder through bolts.
NTSB ANC13LA085