What was found
(CAN) ENGINE CHIP LIGHT ILLUMINATED IN FLIGHT. CHIP PLUGS INSPECTED AND FOUND METAL ON BOTH ENGINES AGB AND ENGINE OIL TANK CHIP PLUGS. ENGINE REMOVED. ENGINE TTSN = 9901.5 HRS ENG TTSO BY MFG = 587.7 HRS BOLT BINDS TORQUE IDLER GEAR & TG DRIVE GEAR. 2 GEARS MAKE UP THE TORQUE GEAR ASSY AND THE BOLT BINDS THE 2 GEARS TOGETHER. INTERMOUNTIAN TURBINES FOUND 1 OF THE 8 BOLLTS WITH THE HEAD SHEARED WHICH CAUSED THE METAL GENERATION AND THE ENGINE CHIP PLIGHT INDICATION.