Japan Transportation Safety Board

• Dreamliner set to fly in a week as Boeing fixes battery

  Boeing began installing reinforced lithium-ion battery systems on five 787 jets in Japan on Monday, starting a process that should make the first commercial Dreamliners ready to fly again in about a week.

• Dreamliner set to fly in a week as Boeing fixes battery

  Boeing began installing reinforced lithium-ion batteries on five grounded 787 jets in Japan on Monday, starting a process that should make the first commercial Dreamliners ready to fly again in about a week.

• US to approve resumption of Boeing 787 flights

  The Federal Aviation Administration has accepted Boeing's revamped battery system for its beleaguered 787 Dreamliners and agreed to lift its grounding order, according to a congressional official.

• Boeing Dreamliner 2nd battery also affected: official

  A second battery on a Boeing Dreamliner that made an emergency landing due to smoke linked to its main power unit had also expanded, a Japanese safety board official said today.

• US agency adds new twist to Boeing probe

  The National Transportation Safety Board said it is examining whether the Boeing 787's lithium-ion battery problems were due to formation of microscopic structures called dendrites, which can cause overheating.

• US starts with new line of inquiry in Boeing probe

  The National Transportation Safety Board (NTSB) said it is examining whether the Boeing 787's lithium-ion battery problems were due to formation of microscopic structures called dendrites, which can cause overheating.

• Dreamliner probe results 'weeks away', safety panel chief says

  The National Transportation Safety Board is "probably weeks away" from completing its probe into battery problems on the Boeing 787 Dreamliner and will share its latest information about the jet on Thursday, NTSB chairman Deborah Hersman said.

• Dreamliner battery suffered 'thermal runaway': probe

  Japanese officials probing the emergency landing of a Boeing Dreamliner said today that its lithium-ion battery was damaged by a build up of heat that resulted in uncontrollably high temperatures.

• 787 Dreamliners grounded, but batteries can fly

  At the time the US government certified Boeing's 787 Dreamliners as safe, federal rules barred the type of batteries used to power the airliner's electrical systems from being carried as cargo on passenger planes because of the fire risk.

• Boeing 787 battery woes put FAA approval under scrutiny

  In 2007, US regulators cleared Boeing's use of a highly flammable battery in the 787 Dreamliner, deciding it was safe to let the lithium-ion battery burn out if it caught fire mid-air as long as the flames were contained, and smoke and fumes vented properly, according to the documents reviewed by Reuters.

• US safety board rules out excess battery voltage in Boeing 787 incident

  The US National Transportation Safety Board has ruled out excess voltage as the cause of a battery fire on the Boeing 787 Dreamliner jet operated by Japan Airlines at Boston airport this month, the agency said on Sunday.

• Japan Dreamliner battery picture shows heavy blackening

  A picture released Friday by Japanese investigators probing the emergency landing of a Dreamliner that grounded the Boeing 787 worldwide showed the battery was apparently charred and blackened.

• US officials join 787 investigation in Japan

  U.S. safety officials and Boeing inspectors joined a Japanese investigation Friday into the 787 jet at the center of a worldwide grounding of the technologically advanced aircraft.