As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6708 -DIV/IFSD- DIVERSION TO BNA DUE TO LEFT ENGINE OIL FILTER BYPASS MESSAGE. CREW FOLLOWED QRH AND SHUTDOWN ENGINE. CHECKED MCD'S AND OIL FILTER, FOUND METAL DEBRIS ON MCD'S AND IN OIL FILTER. ANALYZED MATERIAL AND FOUND M50 BEARING MATERIAL. REMOVED AND REPLACED ENGINE.