What was found
THE FLIGHT ATTENDANT REPORTED SMELLING SMOKE IN THE CABIN. THE CREW PERFORMED THE SMOKE REMOVAL CHECK LIST AND THE SMOKE CLEARED. AS A PRECAUTION THE CREW DECLARED AN EMERGENCY AND REQUESTED PRIORITY HANDLING. AFTER LANDING THE FLIGHT ATTENDANT AGAIN REPORTING A SMOKE SMELL IN THE CABIN. THE CREW THEN EVACUATED THE PASSENGERS. MAINTENANCE INSPECTED, REPOSITIONED, AND RESECURED THE LEFT HAND PACK CLAMPS AT THE HEAT EXCHANGER. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.