As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(3) MINUTES AFTER TAKEOFF, IN CRUISE, TORQUE GAUGE WENT TO 10. ENGINE OIL PRESSURE AND ALL OTHER GAUGES WERE NORMAL. LANDED AT MOB908A ONLY TO NOTICE OIL LEAKING FROM FRONT, LT PORTION OF THE ENGINE COMPARTMENT. MAINTENANCE FOUND THE ENGINE TORQUE INSTRUMENT LINE HAD FAILED. REPLACED HOSE ASSY.