Mar 31, 1989
Accident
Substantial MONEE, IL
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
INADEQUATE MAINTENANCE/INSPECTION OF THE AIRCRAFT AFTER METAL FRAGMENTS WERE FOUND IN THE OIL, AND WORN CAM LOBES/FOLLOWERS/PISTON PIN PLUGS, WHICH RESULTED IN OIL CONTAMINATION, RESTRICTION (BLOCKAGE) IN THE OIL SYSTEM, OIL STARVATION, AND SUBSEQUENT ENGINE (CONNECTING ROD) FAILURE. FACTORS RELATED TO THE ACCIDENT WERE: DARK NIGHT, LACK OF RUNWAY LIGHTS AT THE NEARBY AIRPORT, AND A DITCH IN THE EMERGENCY LANDING AREA.
NTSB CHI89LA065