What was found
DURING LANDING 2000FAT SMELLED ODOR, TURN OFF PACK 2, ODOR WENT AWAY AND STOPPED- WITH PACK 2 OFF- ( 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) )-PERFORMED TSM 05-50-00-810-831-A, DECISION TREE POINTED TOWARDS HYDRO LEAK. WE FOUND A HYDRO LEAK REF LOG 6024105-1. DURING TESTING PACK 2 SHOWS A PERDOMINANT SMALL POSSIBLE ENG CONTAMINATION OR PACK 2 COMPONENT CONTAMINATED. REF OG 6024105-2.