As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE NR 1 ENGINE OIL FILTER CLOG LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO LAX WHERE AN UNEVENTFUL TWO ENGINE LANDING WAS MADE. NO FUEL WAS DUMPED. BLACK OIL WAS FOUND AND THE AIRCRAFT WAS FERRIED TO MSP WHERE THE ENGINE WAS REPLACED.