What was found
ENROUTE, CREW NOTICED A STRONG ELECTRICAL BURNING ODOR. A FEW MOMENTS LATER, COULD SMELL THE FUMES. ASKED IF THERE WAS ANY SMOKE OR FIRE. NONE DETECTED. DIVERTED, OPENED PILOT SIDE SLIDING WINDOW FOR FRESH AIR AND WITHIN 10 SECONDS, A STRONG ODOR OF JET FUEL ENTERED CABIN. HEADED FOR AN OPEN PARKING LOT AND LANDED WITHOUT FURTHER INCIDENT. CREW EXITED UPON LANDING TO SECURE THE AREA AROUND ACFT AND COMPLETED NORMAL ENGINE SHUTDOWNS. ACFT INSPECTED BY MECHANIC, FOUND NO OBVIOUS FUEL LEAKAGE OR ELECTRICAL FAILURES. ACFT GROUND RUN, AND OPS CHECK FLIGHT PERFORMED. NO DUPLICATION OF PREVIOUS PROBLEMS NOTED.