What was found
FLT#34, CDG-BOS. (ETOPS) 'DURING DESCENT ALL FLIGHT ATTENDANTS SMELLED DIRTY SOCKS IN THE CABIN FROM ROW 4 TO CORE. DISSIPATED ON LANDING. NO PASSENGERS COMPLAINED; PERFORMED INSPECTION PER INFO NOTICE 2017-T015K, SECTION B WITH NO FINDINGS. THIS IS CONSIDERED A LEVEL 1, THERE IS NO 30 DAY HISTORY. THIS IS CONSIDERED A TRANSIENT (NON -PERSISTENT) ODOR EVENT. AIRCRAFT IS OK FOR SERVICE.'