As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RGB CHIP DETECTOR CODE WAS RECEIVED VIA FLIGHT DATA ACQUISITION STORAGE AND TRANSMISSION SYSTEM (FAST). FURTHER MAINTENANCE INVESTIGATION AND OIL ANALYSIS DETERMINED THE MATERIAL TO BE M50. THE ENGINE WAS REPLACED AND THE AIRCRAFT WAS SUBSEQUENTLY RELEASED FOR SERVICE.