What was found
FLT 259, BDL-FLL. AFTER PARKING. FO INFORMED THAT THE TWO INFLIGHT IN THE REAR OF THE AIRCRAFT EXPERIENCED A FUME EVENT WHICH CAUSED THEM TO FEEL LIGHT HEADED. THE EVENT OCCURRED ON FINAL APPROACH. FRONT CABIN DID NOT EXPERIENCE ANYTHING. THE COCKPIT ALSO WAS CLEAN. COMPLIED WITH INFORMATION NOTICE 2017-T015 STEP 1, ISOLATED FAULT TO BE TYPE 10, AMBIENT AIR ODOR WHICH INCREASES THE HUMIDITY OF THE AIR. PER TSM 05-50-00-810-085-B / 05-50-00-810-085-D, AIRCRAFT IS OK FOR SERVICE.