What was found
FUME EVENT ON DESCENT THROUGH 3000 ISOLATED TO PACK 1 ( 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 PACK BURN OUT WITH APU IAW AMM 21-00-00. OPS CK GOOD, NO DEFECTS NOTED. THIS CLEARS DMI # 3635563-1. MOC NOTIFIED, PLACARD REMOVED, DMI LOG UPDATED.