As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE-OFF, 30 MINUTES INTO FLIGHT THE NR 3 ENGINE OIL PRESSURE FILTER BYPASS LIGHT ILLUMINATED AND REMAINED ON. THE OIL PRESSURE, TEMPERATURE AND QUANTITY WERE ALL WITHIN LIMITS ENGINE WAS SHUTDOWN IN FLIGHT. POSITIVE OIL PSI WAS MAINTAINED AND THE ACFT LANDED WITHOUT INCIDENT. ITEM WAS PLACED ON MEL AND ACFT WAS RETURNED TO SERVICE.