What was found
AIRCRAFT TAXIED FROM GATE IN DENVER WHEN FLIGHT ATTENDANT INFORMED CREW THERE WAS ELECTRICAL SMOKE AROUND THE AIRSTAIR DOOR. AIRCRAFT RETURNED TO GATE. AIRCRAFT WAS INSPECTED BY MAINTENANCE AND SMOKE WAS DETERMINED TO HAVE COME FROM THE AIRSTAIR DOOR LIGHTS. AIRSTAIR DOOR LIGHTS WERE DEFERRED AND CIRCUIT BREAKER WAS TIE-WRAPPED. AIRCRAFT RETURNED TO SERVICE. (X)