What was found
(CAN) DURING THE APPROACH, THE FLIGHT CREW SMELLED SMOKE, THE F/A REPORTED SMOKE IN THE CABIN FOLLOWED BY A RECIRC FAN FAULT STATUS MESSAGE. THE RECIRCULATION, RECIRCULATING FANS WERE TURNED OFF AND THE SMOKE QUICKLY DISSIPATED. AN EMERGENCY WAS DECLARED AND THE ACFT LANDED WITHOUT FURTHER INCIDENT. A MAINTENANCE CREW WAS DISPATCHED AT THE ACFT LOCATION. THE RT RECIRCULATING FAN WAS REPLACED, GROUND RUNS PERFORMED AND THE ACFT RELEASED FOR SERVICE. A SIMILAR INCIDENT WAS REPORTED THE FOLLOWING DAY, 2 LEGS LATER.