You can now read 5 articles in a month for free on BostonGlobe.com. Read as much as you want anywhere and anytime for just 99¢.

Red Sox Live

4

3

Final

Plan OK’d to redesign jet’s battery

WASHINGTON — The Federal Aviation Administration has approved a Boeing Co. plan to redesign the 787 Dreamliner’s lithium-ion batteries, although extensive testing will be needed before passengers fly on the plane again.

The plan includes a redesign of internal battery components to minimize the possibility of short-circuiting, better insulation of the battery’s eight cells, and a new containment and venting system.

Continue reading below

The 50-jet 787 fleet has been grounded since Jan. 16, following a battery fire on a Dreamliner parked in Boston and a smoking battery that led to an emergency landing by other another 787 in Japan.

The National Transportation Safety Board said a short-circuit in one cell caused a battery in the jet in Boston to overheat and burst into flame.

But investigators in Japan have suggested that something else may have caused the battery on an All Nippon Airways 787 to emit smoke, possibly a surge of current from another part of the plane.

Loading comments...
Subscriber Log In

You have reached the limit of 5 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
Marketing image of BostonGlobe.com
Marketing image of BostonGlobe.com
Already a subscriber?
Your city. Your stories. Your Globe.
Yours FREE for two weeks.
Enjoy free unlimited access to Globe.com for the next two weeks.
Limited time only - No credit card required!
BostonGlobe.com complimentary digital access has been provided to you, without a subscription, for free starting today and ending in 14 days. After the free trial period, your free BostonGlobe.com digital access will stop immediately unless you sign up for BostonGlobe.com digital subscription. Current print and digital subscribers are not eligible for the free trial.
Thanks & Welcome to Globe.com
You now have unlimited access for the next two weeks.
BostonGlobe.com complimentary digital access has been provided to you, without a subscription, for free starting today and ending in 14 days. After the free trial period, your free BostonGlobe.com digital access will stop immediately unless you sign up for BostonGlobe.com digital subscription. Current print and digital subscribers are not eligible for the free trial.