As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THIS UNIT WAS SENT TO OUR FACILITY FOR OVERHAUL DUE TO A FAILURE OF BEARINGS AND FAN SEPARATION. IT WAS FOUND THAT THE BEARINGS INSTALLED IN THE MOTOR WERE NOT OF THE MANUFACTURER'S TYPE. THE BEARINGS FOUND IN THE MOTOR WERE FAFNIR P/N 202PPCA INSTEAD OF DYNAMIC P/N K271B-202EL. IT COULD NOT BE DETERMINED IF THE FAN HUB FAILED BEFORE OR AFTER THE BEARING FAILURE.