What was found
THE ENGINE LOW OIL PRESSURE WARNING ANNUNCIATED AND THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A CUT O-RING PACKING AT THE PROPELLER CONTROL UNIT ADAPTER INTERFACE TRANSFER TUBE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE ENGINE LOW OIL PRESSURE WARNING ANNUNCIATED AND THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A CUT O-RING PACKING AT THE PROPELLER CONTROL UNIT ADAPTER INTERFACE TRANSFER TUBE.