What was found
DURING CRUISE FROM RJTY NUMBER ONE ENGINE FLAMED OUT AT FL340. THE CREW RETURNED TO RJTY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE, AND NO DEFECTS WERE FOUND. THE FUEL FILTER WAS REMOVED AND NO ABNORMAL CONTAMINATION WAS FOUND. NEW FUEL FILTERS WERE INSTALLED. MAINTENANCE ALSO INSPECTED THE FUEL SYSTEM AND FOUND THE NUMBER ONE MAIN SURGE BOX BAFFLE DOORS IN THE WRONG POSITIONS, AND THE NUMBER ONE TANK SELECTOR VALVE OUT OF RIG. REMOVED AND REINSTALLED THE SURGE BOX BAFFLE DOORS IN THE CORRECT POSITIONS, AND RIGGED THE SELECTOR VALVE. A NEGATIVE PRESSURE CHECK WAS PERFORMED ON THE FUEL FEED LINE TO THE ENGINE, ALL CHECKS WERE WITHIN LIMITS. OPERATIONAL CHECKS WERE SATISFACTORY, AND TH