As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED A MAIN XMSN CHIP LIGHT IN FLIGHT AND PERFORMED A PRECAUTIONARY LANDING WITHOUT INCIDENT. MECHANIC INSPECTED ALL 3 CHIP DETECTORS AND FOUND ONLY SOME FUZZ ON THE LOWER SUMP CHIP DETECTOR. PERFORMED A SERVICEABILITY CHECK AND MOC WITH NO FURTHER DEFECTS NOTED.