What was found
FLT#1601, JFK-FLL. 'CREW SMELLED A LEVEL 1 ODOR EVENT ON CLIMB OUT AND DESCENT, IN THE AFT OF THE CABIN. THE ODOR SMELLED LIKE DIRTY SOCKS. THE ODOR DISSIPATED ON THE CRUISE. ODOR RETURNED ON DESCENT AND DISSIPATED ON THE TAXI IN; COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A, ISOLATED FAULT TO TYPE 10, (A)1, C PER TSM 05-50-00-810-085-D. AIRCRAFT IS OK FOR SERVICE.'