What was found
FLT#163, JFK-SRQ. 'LEVEL 2 ODOR EVENT DURING APPROACH PHASE ODOR DISSIPATED. NO ODOR ON LANDING HEAVY ODOR OVER JUMPSEAT C. F/A MOVED HER SEAT POSITION NO MEDICAL ATTENTION ASKED FOR; COMPLIED WITH TSM 05-50-00-810-831-A LEVEL A DECONTAMINATION WITH ENG 1&2 RUNNING & BLEED. PER INFO NOTICE 2017-T015I. FOUND NO "DIRTY SOCK SMELL" THRU THE CABIN, COCKPIT, AND AFT GALLEYS. TRANSIENT SMELL COULD HAVE BEEN CAUSED BY AMBIENT AIT DUE TO HIGH HUMIDITY OR WHEN PASSING THROUGH CLOUDS. (NOTE ON PAGE 4 OF INFO NOTICE 2017-T015I). AC OK TO CONTINUE SERVICE.'