As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIECES OF THE SEALANT USED TO SEPARATE INLET AND OUTLET CHAMBERS INSIDE THE OIL FILTER ARE BREAKING OFF AND ARE BEING FOUND IN THE FILTER PLEATS AND IN THE SUMP ON THE SUCTION SCREEN. THESE PIECES COULD BLOCK AN OIL PASSAGE IN THE PRESSURE SYSTEM AND STARVE A BEARING FOR OIL.