What was found
EMERGENCY DECLARED ON FINAL APPROACH TO POS. THERE WAS A SMELL OF SMOKE, VISIBLE IN THE CABIN WAS NOTED BY FLIGHT ATTENDANT IN MID GALLEY. WHILE TAXIING TO GATE, LEFT PACK OVERTEMPED - ITEM REMAINS OPEN. ACCOMPLISHED FIM 2151-00 BITE CHECK RIGHT AND LEFT PACK CONTROLLERS NO FAULT OPERATED LEFT PACK PNEUMATICS OFF LIGHTS ILLUMINATED ACM INOP PRESS. A/C WITH RIGHT PACK NO EVIDENCE OF SMOKE NOTED 21-31-00. REMOVED OVEN AND C/M MID GALLEY NO EVIDENCE OF SMOKE. DEFERRED LEFT PACK AS PER MEL 21-51-01-01. REMOVED AND REPLACED LEFT ACM AS PER MM 21-51-03 OPS CHECK GOOD.