What was found
ON DESCENT BETWEEN FL250-FL200 THERE FUMES SIMILAR TO ACETONE IN THE COCKPIT. FINISH DESCENT AND LANDING ON O2. AT BLOCK-IN THERE WERE NO FUMES. CHECKED ALL AREA (COCKPIT,SUPERNUMARY, MAIN CARGO, FWD CARGO, AFT CARGO, AVIONICS AND FUSELAGE) WAS NO LEAK AND NO DAMAGE IAW MM 05-51-50-2-0 AND 21-00, TASK 808 RUN BOTH ENG WITH APU WAS NO STINK IAW JRH. ACFT OK FOR SERVICE. FINAL CLOSED