As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE ENGINE LOW OIL PRESSURE WARNING ANNUNCIATED FOLLOWED BY AN UNCOMMANDED ROLL BACK IN ENGINE POWER. THE ENGINE WAS SECURED IN FLIGHT AND A SUCCESSFUL FORCED LANDING ACCOMPLISHED. SUBSEQUENT INSPECTION REVEALED A FRACTURED PRESSURE OIL TRANSFER TUBE ELBOW. P&WC WILL MONITOR INVESTIGATION OF THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE DETERMINED.