What was found
DURING INSPECTION OF MAIN ROTOR TRANSMISSION AFTER CHIP LIGHT, FOUND 369D25149 OUTPUT SHAFT BALL BEARING TO BE SEVERELY ETCHED ON ONE BALL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING INSPECTION OF MAIN ROTOR TRANSMISSION AFTER CHIP LIGHT, FOUND 369D25149 OUTPUT SHAFT BALL BEARING TO BE SEVERELY ETCHED ON ONE BALL.