On the face of it, this was odd because such a body already exists, as the NTSB must have known.
Boeing staff have been in Kuala Lumpur working alongside technicians from the NTSB.
It can take the NTSB years to produce a final report on an accident.
Peter Knudson, an NTSB spokesman, told me: “The NTSB has not ruled out a fire in the battery box.”