What was found
(CAN) SHORTLY AFTER TAKEOFF, CREW FELT VIBRATION FOLLOWED BY AN INDICATION OF LOW OIL PRESSURE. AC LANDED IN A FIELD AWAY FROM THE DEPARTURE POINT AND CREW SHUTDOWN ENGINE. POST FLIGHT INSP REVEALED THAT NEITHER ENGINE ROTOR COULD BE TURNED AND THE OIL FILTER AND CHIP DETECTORS WERE CONTAMINATED BY DEBRIS. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20071221002)