What was found
JFK-FRA - EN ROUTE AT FL 330 1408Z, NR 1 ENG EXPERIENCED A COMPRESSOR STALL. AFTER 2 MILD BUMPS, THE ENG PARA WOUND DOWN, NO OVERTEMP PRESENT. AFTER CHECKLIST PROCEDURE NORMAL FLT WAS ACCOMP. IN CRUISE AT FL 370, NR 1 ENG FLAMEOUT. AFTER PERFORMING CHECKLIST, DUE TO PREVIOUS ENG STALL AND PROXIMITY TO FRA, WE STARTED TO SHUTDOWN NR 1 ENG. THREE ENG LANDING PERFORMED, NO FURTHER INCIDENT. T/S NR 1 ENG PER MM 71-00-00, CHECKED ALL FUEL FILTERS, NO CONTAMINATION FOUND. RAN ENG, ALL PARA NORMAL. LEAK CHECK PERFORMED, NONE FOUND. RETURNED TO SERV AS PER P/P ENG.