What was found
(CAN) A FEW MINUTES AFTER T/O, THE CREW HEARD A SERIES OF LOUD NOISES COMING FROM THE REAR OF THE ACFT. THE PILOT OBSERVED THAT THE NR 2 ENGINE, N2 STARTED TO DECREASE AND THE TEMPERATURE BEGAN TO RISE. THE PILOT SHUT THE ENGINE DOWN AND A SAFE LANDING WAS ACCOMPLISHED. POST FLIGHT INSPECTION REVEALED A LARGE AMOUNT OF OIL ON THE FAN BLADES. TROUBLESHOOTING IS ONGOING.