What was found
JFK - FLT 6808 - EN ROUTE LGA-BOS, WHILE CLIMBING THROUGH FL080, FELT MULTIPLE COMPRESSION STALLS AND OBSERVED SHOTS OF FLAME FROM THE LEFT SIDE OF THE AIRCRAFT. THE NR 1 ENGINE THROTTLE WAS MOVED TO IDLE, HOWEVER, THE ENGINE INDICATED SHUTDOWN. THE FLIGHT DIVERTED TO JFK AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 ENGINE ASSEMBLY AND THE NR 1 ENGINE FORWARD EXTINGUISHER BOTTLE. (M)