What was found
(CAN) AFTER TAKE OFF, 2000 ASL, NR 2 LOUD BANG FOLLOWED BY ENGINE STOPPAGE, MAYDAY DECLARED, ENGINE SECURED AND QRH DRILLS ACTIONED. RADAR VECTORED SINGLE ENGINE APPROACH AND LANDING. FIRE SERVICE ESCORTED ON LANDING, PAX OFFLOADED ON STAND. THE ENGINE WAS REPLACED.