As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SEALANT MATERIAL IN OIL SUMP DURING NORMAL 50 HR OIL CHANGE. FOUND ON SUCTION SCREEN. SEALANT CAME FROM THE OIL FILTER. AREA THAT SEALS THE INLET TO THE OUTLET AREA OF THE FILTER IS FLAKING OFF AND GETTING STUCK IN THE FILTER AND ON THE OIL SUCTION SCREEN.