What was found
FLT 389 JFK TO FLL PASSING 4000 FT, THE FLT ATTENDANTS CALLED AND INFORMED THE CREW THAT A DEFINITE SMELL OF SMOKE WAS DETECTED IN THE THE AFT AND FWD CABIN. THE STRONGEST ODOR CAME FROM AROUND ROW 10. PERFORMED ENG NR 1 & 2 IDLE ENGINE RUN IAW MM 71-00-0. NO FOREIGN ODORS NOTED THROUGH THE CABIN OR GALLEYS. ALSO CYCLED APU BLEED. CYCLED BOTH NR 1 AND NR 2 PACKS & OPS CHECK PACKS IAW MM 21-51-00, OPS CHECK OK. INSPECTED AND OPERATED ALL COFFEEMAKERS IAW 25-35-00, ALL COFFEEMAKERS CHECK OK. INSPECTED APU & APU AREA INTAKE SYSTEM IAW MM 49-16-00, CHECK OK. NO FOREIGN ODORS NOTED WITH ALL CHECKS OR ABNORMALITIES NOTED IAW MM 05-51-51-11. OVERWEIGHT LANDING INSPECTION CHART ALL VALUES ARE WITH LIMITS. NO