As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T1412/17JUN - DURING CLIMB HEARD THUMP AND FELT VIBRATION THROUGHOUT AIRCRAFT. RIGHT ENGINE ROLLED BACK TO IDLE. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. FOUND METAL DEBRIS IN TAIL CONE. REPLACED RIGHT ENGINE ON 18JUN2007 AT DFW. SYSTEM GROUND CHECKED NORMAL OPERATION.