What was found
FL260 (APPROX) SMOKE WAS DETECTED IN THE PASSENGER CABIN NEAR ROW 9 AND TO WARDS THE BACK OF THE AIRCRAFT TCPS REPORTED IT SMELLED LIKE OVERHEAT OF A METALLIC SURFACE. AFTER LANDING WHILE FIRE SERVICE. AFTER LANDING WHILE FIRE SERVICE INSPECTED THE EXTERIOR CONDITION OF THE AIRCRAFT, AIR PACK 2 OVHT ALERT WAS PRESENTED AND PROCEDURE WERE PERFORMED. IAW TSM 05-50-00-810-831-A TROUBLESHOOTIUNG FOR CABIN ODOR AND SMOKE WAS PERFORMED.AIR CYCLE MACHINE OF THE PACK 2 WAS FOUND DAMAGE (STUCK). AIR CYCLE MACHINE WAS REPLACED. I.A.W TSM 21-61-00-810-802-A THOUBLESHOOTING OF PACK 2 OVERHEAT WAS PERFORMED. - MACHINE-AIR CYCLE WAS FOUND STUCK, I.AW AMM 21-52-21-000-001-A THE AIR CYCLE MACHINE WAS REMOVED. IAW AMM 21-52-21-400-001-A AIR CYCLE MACHINE WAS REPLACED. ALL TEST OF THE ITEM D WERE PERFORMED. TESTS OK