What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A CHEMICAL SMELL IN BACK OF AIRCRAFT DURING DESCENT THROUGH ABOUT 10,000FT. FIRST OFFICER REPORTED SMELLING THE ODOR IN THE FLIGHT DECK AS WELL. MAINTENANCE ACCOMPLISHED SMOKE / ODOR / FUME TROUBLESHOOTING PER JAB CARDS 26L00021001, 26L00021002 AND 26L00021003 WITH NO DEFECTS NOTED. MAINTENANCE ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMANTAL CONTROL SYSTEM PER JOB CARD 26L00021014 AND REPLACED THE RECIRCULATION FILTERS PER AMM 21-21-41.