What was found
FLIGHT 9174, DURING FLIGHT, STRONG SMELL OF FUEL. RETURNED TO DEPARTURE, LANDED WITHOUT INCIDENT. INSPECTED AC FUEL SYS, LT AND RT WING FUEL PANELS, LT AND RT ENGINE FOR LEAKS, NO LEAKS NOTED. PERFORMED ENGINE RUN FOR(15) MINUTES WITH BLEEDS ON AND OFF, NO STRONG FUEL SMELL NOTED.