As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED AN ENGINE CHIP LIGHT ILLUMINATION AND PERFORMED AN UNSCEDULED LANDING. A MECHANIC WAS SENT TO THE AIRCRAFT AND DISCOVERED METAL ON THE UPPER ENGINE GEARBOX PLUG WITH A SIZE GREATER THAN EXCEPTABLE LIMITS FOR RETURN TO SERVICE. NOTHING FURTHER TO REPORT AT THIS TIME.