As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ALTERNATOR WENT OFF LINE AND WOULD NO LONGER SUPPLY POWER. THE ALTERNATOR WS REMOVED FOR REPLACEMENT. IT WAS NOTED THAT THE ALTERNATOR DID NOT HAVE A NUT INSTALLED ON SPLINE DRIVE. THE SPLINE DRIVE WAS NOTED TO BE SHEARED. THE ALTERNATOR WAS RETURNED TO THE MANUFACTURER FOR WARRANTY CONSIDERATIONS.