As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED "ENG 1 OIL FILTER". PROCEEDED VIA QRH PROCEDURES, SHUT DOWN ENGINE AND DESCENDED TO 300 (FROM 360). ALL ENGINE PARAMETERS NORMAL OTHER THAN THE ALERT. DECLARED EMERGENCY AND LANDED AT PANC. INSPECTED MASTER CHIP DETECTOR AND SCAVANGE FILTER ELEMENT WITH NO CONTAMINATION FOUND. INSTALLED NEW FILTER PER MM 79-22-05-4. REMOVED AND REPLACED OIL PRESSURE DIFFERENTIAL SWITCH PER MM 79-35-01-4. RUN ENGINE PER JRH (271982). NO FAULTS NOTED. LEAK CHECK GOOD. OK FOR SERVICE.