What was found
DURING FLIGHT, THE CREW REPORTED SMELLING JET FUEL COMING FROM AIR CONDITIONING VENTS. PILOT COULD NOT SMELL THE ODOR. RETURNED TO BASE. THE MECHANIC REMOVED THE LEFT SIDE INNER FUEL TANK PANELS AND AFT BELLY PANEL WAS LOWERED TO INSPECT FOR FUEL LEAKAGE, AND AN OPS CHECK WAS PERFORMED BY PRESSURIZING FUEL SYSTEM TO INSPECT FOR LEAKS. THE OPS CHECK WAS GOOD SO A GROUND RUN WAS PERFORMED, NO LEAKS OR DEFECTS NOTED. A MAINTENACE FLIGHT WAS PERFORMED TO CHECK FOR ODOR. NO LEAKS WERE FOUND AND DURING FLIGHT NO ODOR OF JET FUEL WAS DETECTED BY PILOT OR MECHANIC. PILOT REPLICATED EXACT FLIGHT CONDITIONS THAT OCCURRED WHEN MED CREW SAID THEY COULD SMELL THE ODOR.