Jul 18, 1990
Accident
Substantial LANCASTER, CA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE ACCIDENT WAS ERODED IGNITION SPARK PLUG ELECTRODES AND MAINTENANCE PERSONNEL NEGLECTING TO ADJUST SPARK PLUG ELECTRODES AND MAINTENANCE PERSONNEL NEGLECTING TO ADJUST SPARK PLUG GAP. THE ROUGH TERRAIN IN WHICH THE AIRCRAFT LANDED WAS A FACTOR IN THE ACCIDENT.
NTSB LAX90LA259