As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AFTER V- THE FLIGHT CREW FELT A DULL THUD ON AN ENGINE THE NR 1 ENGINE THEN FAILED. THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. AN UNEVENTFUL LANDING WAS MADE. INSPECTION REVEALED TURBINE BLADE DAMAGE ON THE NR 1 ENGINE. REMOVED AND REPLACED NR 1 ENGINE ASSY. AIRCRAFT WAS RETURNED TO SERVICE. (K)