Jul 20, 2023
Accident
Substantial Rock Springs, WY
Injuries2 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Maintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.
NTSB WPR23LA283