As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL310, LEFT ENGINE SHUT DOWN IN FLT HEARD BANG AND FELT SHUTTER N1 RAPIDLY DECREASED, EGT INCREASED TO 730 OIL PRESS WENT TO -0-. C/W BORESCOPE INSP FOUND FOD BEYOND M/M LIMITS. DAMAGE STA AT 3RD STG HPC. STG 2.5 LPC BLADES ARE CLEAN ENG CHANGE REQUIRED. REPLACED LT ENG AS PER TRANS 2T102.