What was found
(CAN) - ON DESCENT, A "BUZZING" SOUND WAS HEARD IN THE FLIGHT DECK FOR APPROX 5-10 SEC. THIS WAS FOLLOWED BY 1 OR 2 "POPS" AND THEN A LOUD "BANG" AT WHICH TIME THE NR 2 ENGINE LOST THRUST. NR 2 ENG TEMP CLIMBED BUT THERE WAS NO ENG OVERHEAT OR FIRE WARNING. ATC ADVISED OF EMERGENCY, AFTER LANDING, THE ACFT WAS BROUGHT TO A FULL STOP IN THE MIDDLE OF THE RUNWAY AND THE ENGINE WAS SHUT DOWN. C.F.R. APPROACHED THE ACFT AND NOTICED "SMOKE" AND A "GLOW" FROM THE NR 2 ENGINE. THERMAL IMAGING OF THE ACFT WAS ALSO PERFORMED. THEY APPLIED FOAM TO THE NR 2 ENGINE AT THIS TIME. CREW OPTED FOR A RAPID DEPLANEMENT THROUGH THE FORWARD L1 EXIT. NO VISIBLE DAMAGE TO THE ENGINE. IT WAS NOTED UPON FURTHER INVESTIGATION THAT THE ENGINE HAD SEPARATED INTERNALLY.