What was found
FUME EVENT -ODORS IN FRONT AND AFT CABIN AFTER DEPARTURE. ISOLATED PACK 2 - FUMES 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) )-REACTIVATED PACK 2 IAW AMM 21-51-00. PERFORMED VISUAL INSPECTION OF APU AND FOUND OIL LEAKING FROM APU GENERATOR (8XS) DRAIN PLUG. REMOVED AND REPLACED DRAIN PLUG WASHER/SEAL IAW AMM 24-23-51. PERFORMED LEVEL A DECONTAMINATION OF THE ECS IAW AMM 21-00-00. NO ODORS DETECTED. OPS CHECK GOOD. MOC NOTIFIED. PLACARD REMOVED. DMI LOG UPDATED. THIS CLEARS DMI 3607304-1.