What was found
(CAN) ENGINE CHIP LIGHT ILLUMINATED IN FLIGHT. CHIP PLUGS FOUND TO HAVE METAL CONTAMINATION FROM THE ENGINE GENERATING METAL. IT HAS BEEN FOUND THAT A TORQUEMETER GEAR ASSY BOLT HEAD WAS SHEARED BEING THE SOURCE OF THE METAL GENERATION. ENGINE REMOVED. ENGINE TTSN = 8229.5, ENGINE TTSI = 598.8, 1800 HR INSP, TORQUE METER IDLER GEAR ASSY, PN 4-081-350-18, SN 052524200077, TTSN = 4113.9.