As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPLACED ROCKER BOX COVER GASKETS WITH NEW SUPERIOR SILICON GASKET. USED ALL NORMAL PROCEDURES FOR INSTALLATION. COVERS CAME OFF IN-FLIGHT CAUSING ENGINE OIL LOSS. AFTER FURTHER INVESTIGATION, SUPERIOR FOUND A SL NR P1B-93007, THAT SAYS TO USE LOCTITE ON SCREW THREADS FOR THIS GASKET ONLY. SUBMITTER FEELS GASKET IS DEFECTIVE AND A FATALLY DANGEROUS PRODUCT. NO PAPERWORK WITH GASKET SAYING TO USE LOCTITE. ENGINE REQUIRES OVERHAUL.