You can now read 10 articles in a month for free on BostonGlobe.com. Read as much as you want anywhere and anytime for just 99¢.

The Boston Globe

Business

Japanese find signs of similar 787 battery trouble

Boeing seeks OK for test flight of Dreamliner

Japan’s Transport Safety Board said an investigation into a lithium ion battery aboard a Boeing 787 flight in Japan last month found evidence of the same type of ‘‘thermal runaway’’ seen in a similar incident in Boston.

The board said in a report Tuesday that CAT scans and other analysis found damage to all eight cells in the battery that overheated on an All Nippon Airways 787 on Jan. 16, prompting an emergency landing.

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week