As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE, NR 3 ENGINE LOW OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATED. REDUCED ENGINE POWER PER AOM PROCEDURES AND LIGHT EXTINGUISHED. LIGHT ILLUMINATED AGAIN. CREW SHUTDOWN ENGINE AS PRECAUTION. AIRCRAFT CONTINUED AND LANDED WITHOUT INCIDENT. FOUND DEBRIS IN NR 3 ENGINE OIL FILTER. REPLACED FILTER. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. PERFORMED OIL CHANGE AND REPLACED FILTER AGAIN AFTER NEXT FLIGHT. NO DEBRIS NOTED.