What was found
DURING INITIAL CLIMB AFTER TAKEOFF PROX AT 3500 FT THE FLIGHT ATTENDANT CALLED TO THE COCKPIT & INFORMED SMELL & SMOKE IN THE CABIN. THE CREW PERFORMED THE SMOKE PROCEDURE & RETURNED TO DEPARTURE AIRPORT. AFTER LANDING AIR PACK 1 OVHT APPEARED ON ECAM. IAW TASK 05-50-00-810-831-A IDENTIFICATION OF THE CAUSE OF CABIN ODOR OR SMOKE WAS PERFORMED. RECORD THE FLIGHT CONDITION WHEN THE ODOR ON SMOKE OCCURS FOR PACK 1 IAW TSM 21-61-00-810-801-A. PACK 1 OVERHEAT WAS PERFORMED IN ACM WAS FOUND STUCK. THIS ITEM IS DEFERRED TO DMI 327 MEL 21-52-01-6 PROV 2 CAT C WAS PERFORMED MX DEACTIVATION IAW 21-61-00 -040-002. IAW AMM 21-52-21PB 401 CONF 00 THE ACM WAS REPLACED. NO LEAKS DETECTED & TEMPERATURE CONTROL TEST PERFORMED SATISFACTORY. PN 1814A0000-02 SN OFF SAV-1-001 SN ON 56-01089.