It was parked in a remote bay and no passengers were aboard at the time. It caught fire and its roof just in front of the tail, scarred by the blaze. The airport was closed for an hour and a half causing long delays.
This is bad news for Boeing. The Dreamliner has had problems in the past. Shortly after being introduce into commercial service they were two aircrafts that had problems with the batteries and catching fire, and that led the whole fleet worldwide be grounded in January.