As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO LANDING PILOT HAD AN ENGINE CHIP WARNING LIGHT. THE PILOT LANDED THE ACFT AND THE LIGHT REMANED ILLUMINATED. MX FOUND METAL PARTICLES AND PASTE ON THE LOWER AND UPPER ENGINE CHIP PLUGS. THE ENGINE WAS REMOVED FROM THE ACFT.