As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW OIL PRESSURE MESSAGE APPEARED AFTER LANDING IN BEIJING. GROUND INSPECTION FOUND METAL IN FILTER AND CHIP DETECTORS. DISASSEMBLY INSPECTION FOUND NR 3 MAIN BEARING FAILURE. BEARING ROUTED TO PRATT & WHITNEY ENGINEERING FOR INVESTIGATION. CUSTOMER: ALL NIPPON AIRWAYS OF JAPAN. CYCLES, 46.