What was found
FA REPOTTED WHITE SMOKE IN CABIN AS SOON PLANE CLEARED THE RWY. CA TURNED OFF THE RH HAND PACK OFF AND SMOKE STARTED TO DISSIPATE. CREW CALLED ATC TO SEE IF THEY SEE ANY SMOKE ON THE OUTSIDE OF THE PLANE AFTER ATC CONFIRMED NO SMOKE CREW CONTINUED TO TAXI TO GATE. CA CALLED MX AND DISPATCH STATING THERE WERE NO WARNING OR INDICATION FROM THE RH PACK. WHEN THE CREW OPENED THE FLIGHT DECK DOOR THERE WAS NO SMOKE IN THE CABIN. PAX DEPLANED VIA JET BRIDGE WITH NO INJURIES NO EMS, NO OXYGEN AND NO EMK KIT USED. DEFERRED RH PACK PER MEL 21-51-01-3 CAT C. NO M FUNCTION REQUIRED. PLACED 1 PLACARD ON AC CONTROL PANEL."