As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - DURING CRUISE SHUT DOWN NR 2 ENGINE, S/N 1541, DUE TO OIL FILTER BYPASS LIGHT ILLUMINATION. FOUND OIL FILTER FULL OF CARBIDE CRYSTALS CHANGED OIL FILTER, DRAINED ENGINE OIL AND RESERVICED OIL TANK. ENGINE OPERATION THEN CHECKED NORMAL. (M)