What was found
FLIGHT 4050 - ON ARRIVAL AT GATE WITH NR 2 ENGINE RUNNING, PARKING BRAKE ON, NO APU OR GPU, HAD NR 2 ENGINE FLAMEOUT, SHUTDOWN UNCOMMANDED WITH ECAS MESSAGE. AIRCRAFT REMOVED FROM SERVICE. PERFORMED CMC AND FDR DOWNLOAD, FOUND THAT NR 2 ENGINE FUEL PUMP WAS TURNED OFF PRIOR TO ENGINE SHUTDOWN CAUSING FLAMEOUT. GROUND RAN AIRCRAFT IAW FIM TASK 72-00-00. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.