What was found
FLT#1372, FLL-LGA. 'LEVEL 2 FUME EVENT STRONG PERSISTENT DIRTY SOCK/ MELTED CRAYON SMELL DURING TAKEOFF AND CLIMB. FUMES OBSERVED BY CAPT AND MULTIPLE FA'S; COMPLIED WITH INFORMATION NOTICE 2017-TO15, SECTIONB2. IDENTIFIED ODOR SOURCE FROM APU. APU PLACED ON MEL #550873. DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER TSM 05-50-00-810-831-A. AIRCRAFT OK FOR SERVICE.'