What was found
AFTER COMPLETION OF A .6 HOUR FLIGHT AND WHILE HOVER TAXIING TO HELIPAD, THE CENTRAL WARNING PANEL ENGINE CHIP LIGHT ILLUMINATED. PILOT IMMEDIATELY DIVERTED TO THE CLOSEST ALTERNATE DESIGNATED HELIPAD AND LANDED, UNDER NORMAL ENGINE POWER AND A NORMAL AIRCRAFT SHUTDOWN PERFORMED. AN EXAMINATION OF THE ENGINE CHIP DETECTORS REVEALED THAT THE METAL CHIPS GENERATED, PREDOMINATELY ON THE MODULE 5 AND ELECTRIC DETECTOR, EXCEEDED THE ALLOWABLE LIMITS OF THE MM. THE ENGINE WAS REMOVED. TRACED THE LIKELY SOURCE OF THE ENGINE CHIPS TO THE MODULE 4 REAR BEARING.