Feb 1, 2020
Accident
Substantial Dinosaur, CO
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
Failure of a S4 compressor blade due to a fatigue crack that likely initiated at a corrosion pit. Contributing to the accident was maintenance personnel’s failure to detect the corrosion pits during maintenance.
NTSB CEN20LA073