What was found
AT FL 320, AFTER 1 HR 25 MIN OF FLIGHT, WE HEARD A LOUD BANG. #2 ENGINE ROLLED BACK AND SHUT DOWN. AUTO START TRIED SEVERAL TIMES TO RE-LIGHT BUT IT DID NOT START. N1 21%, N2 22%, OIL PRES 9. HIGHEST EGT DURING RESTART WAS 825. DESCENDED TO FL 300 AND ACCOMPLISHED QRH. SINCE ENGINE WASN'T SEIZED, ATTEMPTED ANOTHER START. DID NOT START, ENGINE WAS CUTOFF. REMOVED AND REPLACED #2 ENGINE ASSY PER ATLAS AIR TASK CARD B-72-099-00-01. ACCOMPLISHED MCS PACKAGE 52306 AS ASSIGNED.