As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INTAKE FLANGE GASKET SPLIT THROUGH CIRCUMFERENCE RESULTING IN MINOR VACUUM LEAK. THE GASKET MATERIAL IS HARD AND BRITTLE, AND APPEARS TO BE ERODING ON THE INNER EDGE. THIS IS THE FOURTH GASKET FOUND SPLIT IN THE LAST FEW WEEKS. THREE ON THIS ENGINE (1164 HOURS) AND ONE ON ANOTHER AT 700 HOURS. BOTH MGF FACTORY REMANUFACTURES. SUSPECT DEFICIENCY IN MATERIAL.