As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1806, BNA-BOS. ODOR PRESENT DESCENDING TO 10000 FT. SMELLED INITIALLY LIKE SOMETHING BURNING THEN BECAME A SMELL LIKE A VOLATILE FLUID. ODOR DISSIPATED AFTER LANDING IN ATL; PER INFO NOTICE 2017-T015D DETERMINED TO BE LEVEL 1 ODOR EVENT. WALK TRHOUG CABIN WITH BOTH PACKS RUNNING. NO OTHER DEFECTS NOTICED. A/C OK TO CONTINUE.