As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODORS IN CABIN AND COCKPIT DURING TAKE OFF AND INITIAL DECENT. TROUBLESHOT AND FOUND ODOR FROM RECIRCULATION FILTERS. R & R RECIRCULATION FILTERS IAW AMM 21-21-41. NO SMELL NOTED FROM ENGINE AND APU BLEED. COMPLIED WITH INFO NOTICE 2017-T015A SECT B TABLE 1. AIRCRAFT IS OK FOR SERVICE.