As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DETECTED OILY, CHEMICAL ODOR ON CLIMB OUT OF FL 180. QRH PROCEDURE FOLLOWED FOR ELIMINATION OF ODOR/FUMES. ODOR QUICKLY DISSIPATED. ( PACKS - A320 WITH MOD. 30626/MP K6443 (ENHANCED ECS) OR A321 WITH MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) )--