As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD - CREW HEARD LOUD BANG AND REPORTED NUMBER TWO ENGINE COMPRESSOR STALL AT FLIGHT LEVEL 320. ENGINE AT IDLE WITH ALL PARAMETERS NORMAL. LANDED IAD WITHOUT INCIDENT. ENGINE COULD NOT GO ABOVE IDLE POWER. FOUND METAL IN TAIL PIPE. REPLACED NUMBER TWO ENGINE ON 9JUN2006 AT IAD. SYSTEM GROUND CHECKED NORMAL OPERATION.