If it's not wiring, then could it be a weight problem? Maybe the 'Where?bus 380' will not have the bowling alleys and gyms and jacuzzis that the marketing geniasses would like??
Perhaps it's time for the inevitable rebranding of the aircraft, so that the travelling public (who usually can't tell a 747 from a DC10) will forget the troubles and think it is a new concept (reinvent itself -that nauseating phrase). May I suggest the following :- Airbus Bigfoot or Airbus Yeti - to reflect it's rarity? I suppose the Airbus Dodo might seem a little harsh!