What was found
LIM INFLIGHT SCL-MIA. CREW REPORTED ELECTRICAL BURNING SMELL IN FIRST CLASS LAVATORY FOLLOWED BY VERY DISTINCT ELECTRICAL SMELL IN AFT GALLEY AREA. IFE POWER PORTS BUSS SWITCHES TURNED OFF & LESSENED BUT DID NOT ELIMINATE THE SMELL. EMERGENCY DECLARED FLIGHT DIVERTED LIM LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND BALLAST OVERHEATED SO DEACTIVATED & PLACARDED MEL. REPLACED SOCKET & BALLAST AT MIA ON 11/09/2013. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.