As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE TEAR-DOWN, THE NR 19 BEARING WAS FOUND BROKEN IN 3 PLACES AROUND THE OUTER RACE. THE BEARING IS A SLIP/FIT IN THE GEARBOX AND THE BORE WAS WORN FROM THE BEARING SPINNING. SUBMITTER SUGGESTS A METHOD OF PINNING OR SECURING THE BEARING OUTER RACE TO THE GEARBOX BORE.