As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100 HOUR ROTOR SHAFT IN SERVICE NDT INSPECTION, FOUND CRACK INDICATION AT THE #1 PIN HOLE IN EXCESS OF 50% FSH. THIS VERT SHAFT WAS REMOVED AND SENT TO RS CHIR823C FOR FURTHER EVALUATION ON SWO-046059-19. CRACK INDICATION HAS BEEN CONFIRMED USING BOTH NDT AND VISUAL PROCESSES.