As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE OVER SPEED CAUTION ILLUMINATED FOLLOWED BY CHIP A CHIP CAUTION FOR THE NR 2 ENG. THE PILOT TRIED TO BURN THE CHIP & WAS UNSUCCESSFUL. THE PILOT LANDED SAFELY AT THE NEAREST AIRPORT & DURING SHUTDOWN OF THE ENG THERE WAS A LOUD BANG. DISCOVERED METALLIC PARTICLES ON BOTH NON ELEC CHIP PLUGS. N1=12740.7 & N2=4718.