What was found
FLL - ON DESCENT INTO FLL, CREW REPORTED A VERY STRONG ODOR IN CABIN AND FLIGHT DECK (SMELLED LIKE DIRTY TENNIS SHOES). ODOR REMAINED AFTER LANDING AND TAXI-IN. MAINTENANCE ACCOMPLISHED MM PROCEDURE 21-00-01, PAGES 1 TO 8. COULD NOT DUPLICATE. AIRCRAFT CHECKS OK. AS PRECAUTIONARY, THE RECIRCULATION HEPA FILTERS HAVE BEEN PROGRAMMED FOR REPLACEMENT.