What was found
FUEL STORAGE: DURING DESCENT FAINT SMELL OF FUEL WAS NOTICED IN CABIN FOR APPROXIMATELY 30 SEC THEN DISAPPEARED . UPON POST FLIGHT INSPECTION NOTICED FUEL ODOR COMING FROM LEFT BATTERY COMPARTMENT, NO LEAKS NOTED. "CORRECTIVE ACTION" REMOVED L/H WING MIDFLAP INBOARD ACTUATOR CAN WELD ASSEMBLY. REMOVED L/H WING INBOARD FLAP OUTBOARD ACTUATOR CAN WELD ASSEMBLY IAW CE-680A SRM 51-40-05. FOUND WELD CANS INSTALLED INCORRECTLY RESULTING IN CONTACT WITH FLAP DRIVE JACK SCREWS. UPON REMOVAL OF WELD CANS FROM A/C FOUND CRACKS AT MOUNTING FLANGE WELDS ON WELD CAN ASSEMBLIES. P/N OFF 6922622-1 S/N OFF NSN INSTALLED NEW LH MIDFLAP INBOARD AND OUTBOARD FLAP ACTUATOR CANS IAW CESSNA CE680A SRM 51-40-05. P/N'S OFF AND ON - 6922622-1.