What was found
FLIGHT 147 ATL-SCL DIVERTED INTO MCO DUE SMOKE HAZE IN THE CABIN, FLIGHT ATTENDANT REPORTED SMOKE/HAZE APPEARS TO BE COMING FROM THE L1 HANDSET, CIRCUIT BREAKERS WERE PULLED AND SMOKE DISSIPATED BUT RETURNED LATER. MAINTENANCE FOUND SMELL COMING FROM THE L1 FLIGHT ATTENDANT PANEL P21 AND 3 OF 4 SLIDE ARM LIGHTS ON THE P21 PANEL BURNED OUT, THE SLIDE ARE LIGHTS WERE RE-LAMPED, INSPECTED AND SHOOK DOWN HARNESS AT L1 ATTENDANT PANEL. L1 HANDSET WAS REPLACED AS A PRECAUTIONARY. SYSTEM OPERATION IS NORMAL.