What was found
DURING CRUISE FLIGHT PILOT OBSERVED AN ENG CHIP LIGHT INDICATION ON THE CENTRAL WARNING PANEL & IAW FLIGHT MANUAL MANDATED PROCEDURES COMPLETED A ROUTINE LANDING AT THE FIRST SUITABLE LANDING SITE. THE HELICOPTER LANDED ON A SECONDARY DIRT ROAD. UPON EXAMINATION BY A CERTIFICATED AIRFRAME & POWER PLANT TECHNICIAN THE CHIP PLUG METAL DEBRIS WAS FOUND SIGNIFICANT ENOUGH TO BE OF AN UN-AIRWORTHY NATURE & THE ACFT GNDED. ENG WAS REPLACED WITH A NEWLY OVERHAULED ENG ASSEMBLY & THE ACFT RETURNED TO SERVICE. ENG SHOP WAS ABLE TO TRACE THE METAL GENERATION TO A BEARING OF THE POWER TURBINE MODULE 4 & MODULE RETURNED FOR REPAIR.