What was found
WHILE IN CRUISE FLIGHT AT FL340, THE AIRCRAFT ENCOUNTERED MODERATE TURBULENCE, POSSIBLY WAKE TURBULENCE, AND THE NR 1 ENGINE FLAMED OUT. THE ENGINE WAS SECURED PER ENGINE FAILURE CHECKLIST AND A DESCENT FROM FL340 WAS STARTED. AT FL300, A RESTART WAS ACCOMPLISHED PER COM PROCEDURE. ALL ENGINE INDICATIONS WERE NORMAL FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED THE ENGINE AND PERFORMED A FULL POWER ENGINE RUN, ALL WITH NO PROBLEMS FOUND. THE AIRCRAFT RETURNED TO SERVICE. EXACT PART CAUSING PROBLEM TO BE DETERMINED.