What was found
OIL SMELL IN THE COCKPIT, INSPECTED NR 1 & 2 PACK RECIRCULATION SYSTEMS AND FOUND NR 2 RECIRCULATING FAN INOPERATIVE, REMOVED AND REPLACED THE NR 2 RECIRCULATION FAN IAW AMM 21-24-01, OPS CHECKED GOOD, NO SMELL. INSPECTED NR 1 & 2 PACKS FOR LEAKS AND SYSTEM OPERATION AND FOUND WORKING PROPERLY IAW AMM 21-20-00, INSPECTED NR 1 & 2 PACK RECIRCULATION DUCTS AND FOUND NR 1 RECIRCULATION FAN MUFFLER BROKEN, REPLACED THE MUFFLER DUCT IAW AMM 21-24-02 AND SECURED THE NR 2 RECIRCULATION FAN MUFFLER DUCT IAW AMM 21-21-02.