What was found
SHIP 1803 SEVERE FUEL FUME SMELL IN COCKPIT+CABIN WORSE IN BACK WHEN RIGHT PACK TURNED ON.BEGAN TO DISSAPATE WHEN R PACK+R ENGINE OFF. CORRECTIVE ACTION: FOUND IN THE RIGHT AIR COND BAY FUEL RESIDUAL IN THE ACM CAVITIES.BAY COMPLETELY CLEANED TO SOURCE FUEL LEAK.IMPOSSIBLE TO FIND STAIN/SEEP/RUNNING LEAK AS PER B764 AMM 28-11-00 WITH 37500 LBS.FOR INFO, PLANE REMAINED ON GROUND FOR MORE THAN 24 HOURS WITH FUEL IN CTR TANK.RIGHT PACK OPERATED DURING ONE HOUR WITH NO MORE FUEL SMELL NOTICED.A/C SAFE AND OK FOR SERVICE. (5748776)