Jul 16, 2004
Accident
Substantial LaGrange, GA
Injuries1 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The maintenance personnel under-torquing of the crankcase throughbolts during top overhaul, which resulted in crankcase fretting, and the subsequent fatigue failure of the crankshaft at the No. 4 main journal. A factor was the lack of suitable terrain for forced landing.
NTSB ATL04LA157