As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON A FLIGHT FROM FBXS TO ARCTIC VILLAGE, THE PILOT LOST MANIFOLD PRESSURE AND OIL PRESSURE. THE PILOT THEN SHUT DOWN THE LEFT ENGINE IN-FLIGHT AND LANDED AT ARCTIC VILLAGE. AFTER LANDING, IT WAS DETERMINED THE OIL LINE FROM THE TURBO WASTEGATE WAS BROKEN BEHIND THE FITTING CAUSING LOSS OF OIL. THIS RESULTED IN A CORRESPONDING LOSS OF OIL AND MANIFOLD PRESSURE.