As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT EXPERIENCED AN ENGINE CHIP LIGHT DURING A TOUR FLIGHT AND PROCEEDED TO LAND AT AN OFFSITE AIRPORT. MX ARRIVED ON SCENE AND FOUND THAT THE LIGHT WAS NO LONGER ON. THE MECHANIC INSPECTED UPPER AND LOWER ENGINE CHIP DETECTORS AND FOUND NO EVIDENCE OF METAL. WIRING AND CONNECTOR PLUGS WERE INSPECTED BUT PROBLEM COULD NOT BE DUPLICATED. ACFT WAS RETURNED TO SERVICE