What was found
AT 4 + 46 INTO FLIGHT, ENG NR 2 FLAMED OUT, LEVEL 2 ENG RPM LOW ALERT CAME ON ATTEMPTED RESTART AND ENG RE LIT, WHILE OPERATING ENG AT IDLE FOR WARM UP ENG NR 2 EPR X ED OUT AND ENGINE FLAMED OUT AGAIN, ENG NR 2 WAS RESTARTED AND BECAME FULLY OPERATIONAL. LEVEL ONE "ENGINE 2 FADEC MAINT" ALERT REMAINS ON AT 6 + 03 WHEN OPENING NR 2 XFER, ENGINE ROLLED BACK AGAIN. CHECK CFDS AND NR 2 EEC CHANEL A & B SHOWED AIR OIL COOLER POS MESSAGE SEE LOG PAGE 417323 ITEM 019M FOR 3 2 ENGINE AIR OIL COOLER REPLACEMENT, FURTHER TROUBLESHOOTING.