What was found
FLT#1791, LGA-PBI. "ODOR EVENT ABOUT 15000 APU NOT ON VMC CONDITION; COMPLIED WITH INFORMATION NOTICE 2017-T015M, STEPS 1&2. IDENTIFIED ODOR TYPE 9 PER TSM 05-50-00-810-085-B. DECONTAMINATION A WAS ACCOMPLISHED 21-00-00-615-802. (HEPA FILTERS REPLACED). AIRCRAFT IS OK FOR SERVICE."