As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O, NR 1 ENG HAD SEVERE VIBRATION AND EVM TURBINE INDICATIONS. NO REDUCTION WITH REDUCED POWER, SECURED NR 1 ENGINE AND RETURNED TO PEK. MX FOUND METAL IN TAILPIPE AND LAST STAGE TURBINE SEVERELY DAMAGED. *S/D* REMOVED AND REPLACED NR 1 ENG PER WORK CARD MD11 71T07 C1. COWLING OPEN AND CLOSE PERF PER MM 7-13-00.