As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILATUS GIVES A 3000 HOUR LIFE TO NR 2 GEN DRIVE OUTER BEARING, BUT NOT TO INNER BEARING. DURING REPLACEMENT OF OUTER BEARING DUE TO T/X, FOUND INNER BEARING UNSERVICEABLE. IT IS NOW OUR POLICY TO REPLACE INNER BEARING AS WELL DURING OUTER BEARING REPLACEMENT.