Oct 31, 2024
Accident
Substantial Prescott Valley, AZ
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Separation of the No. 3 engine cylinder due to a loss of torque on the cylinder base nuts, which resulted in a loss of engine power and in-flight fire. Contributing to the accident was maintenance personnel’s failure to ensure the engine case and cylinder base nuts were properly torqued during the most recent annual inspection.
NTSB WPR25LA030