As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE, THE NR 1 ENIGNE OIL BYPASS FILTER LIGHT ILLUMINATED AT FL370. CREW FOLLOWED COM PROCEDURE, SHUT DOWN THE ENGINE AND FLIGHT CONTINUED TO NRT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE ENGINE OIL FILTER AND A DEFECTIVE ELECTRICAL CONNECTOR D0013J AT HORIZONTAL ENGINE FIRE WALL. CHECK WAS NORMAL AND AIRCRAFT RETURNED TO SERVICE.