What was found
FLT 1642/(803), BZE-JFK (JFK-JFK). AFTER SECOND ENG START & SHUTTING DOWN APU. AFT FA CALLED REPORTING THE STRONG ODOR OF FUEL. AFTER 3-5MIN IT WAS STILL PRESENT BUT DISSIPATING. COMPLIED WITH INFORMATION NOTICE 2017-T015,STEP9.ISOLATED FAULT TYPE 10 EXTERNAL GROUND POLLUATION. IAW TSM 05-50-00-810/TSM05-50-00-810-055-0. AIRCRAFT IS OK FOR SVC."