As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW RETURNED THE AIRCRAFT TO DEPARTURE AIRPORT DUE TO THE NR 1 ENGINE EXPERIENCING A COMPRESSOR STALL AND AN UNCOMMANDED SHUTDOWN. MAINTENANCE REPORTED METAL IN THE TAILPIPE SO THE NR 1 ENGINE WAS REPLACED (2010-D0955) (DLM88102118).