What was found
FLT 149, JFK- GND. DESCENDING THRU 11000', FA CALLED FROM FWD AND AFT CABIN TO SAY THEY HAD A STRONG DIRTY SOCK ODOR, MOVE TO THE BACK BUT THROUGHOUT CABIN ENTIRE FLT. IAW INFO NOTICE 2017-T015M- AIRCRAFT INSPECTED & ODOR DETERMINED TO BE TYPE 6.. PACK NR 1 OPERATED & DECONTAMINATION. LEVEL A CW IAW AMM 05-50-00-810-085 AND NO ODOR IS PRESENT ANYWHERE IN THIS CABIN. PACK 2 IS THE SOURCE .AND PLACED ON MEL . SEE LOG PAGE 4461727 FOR DEFERAL. A/C IS OK FOR SERVICE