What was found
FLT#105, EWR-FLL, REAR FA'S REPORT DIRTY SOCK SMELL AT 2,500 FT ON APPROACH. APU WAS NOT RUNNING. PILOTS DID NOT SMELL ANYTHING. IDENTIFIED ODOR TYPE 1 PER TSM 05-50-00-810-831-A DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER AMM 49-16-00. AIRCRAFT IS OK FOR SERVICE. NO EVIDENCE OF OIL LEAK ON ENG 1 AND 2.