As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY 30 MINUTES AFTER TAKEOFF, THE NR 2 ENGINE FILTER BYPASS WARNING LIGHT ILLUMINATED. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO ANC. MAINTENANCE FOUND THE NR 2 ENGINE MAIN OIL FILTER CLOGGED. THE AIRCRAFT WAS FERRIED ON THREE ENGINES TO MSP FOR AN ENGINE CHANGE.