As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CHEMICAL ODOR INTERMITTENT AREA NOW 16-24 , SIMILAR OCCURENCE DURING PREVIOUS FLT. RAN APU BLEED ON INDIVIDUAL PACKS. RAN EACH ENGINE ON INDIVIDUAL PACKS. NO ODORS PRESENT. COMPLIED WITH INFO NOTICE 2017-T015A SECTION B TABLE 1. ACFT IS OK FOR SERVICE. INSPECTED AFT GALLEY AND LAVS AS PRECAUTIONARY. NO FAULTS NOTED.