What was found
CLT - FLT 281 - ON DESCENT INTO CLT, ELECTRICAL SMELL AND SMOKE WERE NOTED IN THE FORWARD PORTION OF THE CABIN. AFTER LANDING, THE R1 DOOR HEATER WAS SEEN TO BE EMITTING SPARKS AND SMOKE. THE DOOR HEATER CIRCUIT BREAKER AND UTILITY BUSSES WERE SECURED. THE SYSTEM WAS PLACED ON MEL. (M)