As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK DURING FLIGHT, THE NUMBER 1 ENGINE STALLED WITH EGT RISE, ENGINE WAS SHUTDOWN. AIRCRAFT RETURNED SAFELY TO DEPARTURE. MAINTENANCE FOUND METAL IN THE TAIL PIPE. MAINTENANCE REPLACED NR 1 ENGINE IAW AMM 71-11. ENGINE RUN AND LEAK CHECKED OK, AIRCRAFT RETURNED TO SERVICE.