As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH TO LANDING, FLIGHT CREW NOTED 'NR 1 ENGINE OIL FILTER CLOGGED' ALERT ON EAD. FLIGHT CREW PERFORMED ABNORMAL PROCEDURES, SHUTTING DOWN NR 1 ENGINE. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL FOUND MAIN OIL FILTER CLOGGED WITH 'OIL COKE'. REPLACED OIL FILTER. GROUND RUN ENGINE WITH NO FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)