What was found
FT # 401, BOS-MSY. DURING CLIMBOUT, THE REAR OF THE AIRCRAFT EXPERIENCED TOXIC FUMES ODOR DURING THE DESCENT IT AS SMELLED IN THE AFT GALLEY; COMPLIED WITH INFORMATION NOTICE 2017-T015B SECTION B. AIRCRAFT IS OK FOR SERVICE. THIS CLEARS MDDR 3347081 UPDATED MX4.