What was found
(CAN) DURING SCHEDULED FILTER REPLACEMENT, METAL END CAGE WAS FOUND DISBONDED (SEE ATTACHED PHOTO). THE SEPARATION ALLOWED UNFILTERED ENGINE OIL TO PASS THROUGH THE SYSTEM. BOTH FILTERS ON SUBJECT A/C WERE FOUND IN THIS CONDITION, WITH EPOXY PARTICLES PRESENT IN THE FILTER BOWL. SUBSEQUENTLY A FILTER WAS CHECKED ON ANOTHER A/C, WHERE ONE FILTER WAS ALSO FOUND DISBONDED. THE OPERATOR IMPLEMENTED A RECALL OF ALL WF335202 LITERS IN ITS FLEET AND INVENTORY. EVIDENCE TO DATE, TRACES ALL FAILED FILTERS TO LOT NR 50094442.