As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE NR 2 ENGINE CHIP LIGHT ILLUMINATED, EMERGENCY CHECK LIST COMPLIED WITH AND RETURNED TO DEPARTURE. MAINTENANCE REMOVED 2 EA CHIP PLUGS FROM THE NR 2 ENGINE, FOUND SMALL CHIP THAT WAS WITHIN LIMITS. REINSTALLED CHIP PLUGS AND COMPLIED WITH THIRTY MINUTE GROUND RUN NO FURTHER DEFECTS NOTED. WORK DONE IAW MM. (K)