What was found
FLT#172, FLL-LGA. CABIN CREW REPORTED FUMES DURING DESCENT IN ROWS 10-15. SMELL OF CHEMICALS OR DIRTY SOCKS; COMPLIED WITH INO NOTICE 2017-T015, ACCOMPLISHED ECS DECONTAMINATION AND REPLACED HEPA FILTERS AND OZONE FILTERS, REF PAGE 4527976 AND 4527977. A/C OK FOR CONT SVC. LEVEL B ECS DECONTAMINATION WAS ACCOMPLISHED.