As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE, CREW NOTICED THE NR 3 ENGINE, LOW OIL PRESSURE/FILTER BYPASS, LIGHT ILLUMINATE. THE LOW OIL PRESSURE WARNING SYS WAS DEFERRED AND THE ACFT CONTINUED TO FINAL DESTINATION. MAINTENANCE REPLACED THE LOW OIL PRESSURE SWITCH AND THE ACFT RETURNED TO SERVICE.