What was found
PILOT REPORTED FUEL ODOR IN CABIN/COCKPIT DURING FLIGHT. INSPECTED THE ENGINE, TRANSMISSION AREA, FUEL SYSTEM INCLUDING TANK AREA, UNDERSIDE OF ACFT, BAGGAGE AREA'S, AND COCKPIT/CABIN AREA FOR SIGNS OF FUEL AND/OR FUEL ODOR, LOOSE LINES, OR DAMAGE. NONE FOUND. TEST FLEW ACFT WITHOUT DUPLICATING ODOR. RE-INSPECTED ACFT FOR SIGNS OF FUEL. NONE FOUND. RETURNED ACFT TO SERVICE.