What was found
OIL FILTER BURST AT START-UP. GASKET FORCED FROM GROOVE. ENGINE LOST ALL OIL. FILTER 'DOMED OUT' AT BOTH ENDS. ALL OIL PASSAGEWAYS IN ENGINE AND OIL COOLER OK. PRESSURE RELIEF VALVE IN ENGINE OK. SUSPECT FILTER BYPASS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OIL FILTER BURST AT START-UP. GASKET FORCED FROM GROOVE. ENGINE LOST ALL OIL. FILTER 'DOMED OUT' AT BOTH ENDS. ALL OIL PASSAGEWAYS IN ENGINE AND OIL COOLER OK. PRESSURE RELIEF VALVE IN ENGINE OK. SUSPECT FILTER BYPASS.