What was found
ON APPROACH CREW DETECTED BURNING ELECTRICAL SMELL. AFTER LANDING NOTICED RECIRC FAN FAULT STATUS MESSAGE AND BREAKER 1A5 WAS POPPED. (FLIGHT #3226 FILED CLOSED) COMPLIED WITH FDE SMOKE SMELL IN THE COCKPIT REF CRJ 709 FIM 21-21-00. PERFORMED INSPECTION FOR SMOKE AND FIRE DAMAGE. NONE NOTED. PERFORMED 30 DAY HISTORY SEARCH FOR SMOKE EVENT DISCREPANCIES. NONE NOTED. TROUBLESHOOTING DETERMINED BURNING SMELL CAUSED BY #1 RECIRCULATION FAN. PLEASE REFERENCE AML 959648 FOR RECIRC FAN DEFERRAL.