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 1 ENGINE OIL CLOG LIGHT ILLUMINATED. THE CREW FOLLOWED COM PROCEDURE AND SHUT DOWN THE ENGINE. FUEL WAS DUMPED AND THE AIRCRAFT RETURNED TO MSP WITHOUT DIFFICULTY. MAINTENANCE INSPECTED THE ENGINE AND THE AIRCRAFT WAS REMOVED FROM SERVICE TO CHANGE THE NR 1 ENGINE.