Oct 22, 2014
Incident
Minor Lexington, NC
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Maintenance personnel's improper tightening of the crankcase through bolt nuts during reassembly of the engine at the last overhaul, which resulted in the failure of the crankshaft and the subsequent total loss of engine power.
NTSB ERA15IA024