What was found
(CAN) OIL CONTAMINATION/IFSD DURING FLIGHT, THE ENGINE CHIP LIGHT CAME ON. THE AFFECTED POWER SECTION WAS SHUT DOWN AND THE HELO LANDED SAFELY. POST FLIGHT INSPECTION FOUND METAL CONTAMINATION ON THE NO. 1 POWER SECTION SIDE. SUBSEQUENT PENALTY GROUND RUNS PER MM RESULTED IN THE CHIP LIGHT COMING ON AGAIN. THE POWER SECTION AND COMBINING GEARBOX WILL BE REMOVED AND SENT FOR REPAIRS. (TC# 20110125011)