Boeing 787 - not again...
- Thread starter wsuffa
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Old Geek
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Probably a good thing, long-term.
I suspect there will now be enough data captured with the redesigned battery controller that they can get to the root of the problem
JimNtexas
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That'll teach JAL not to buy those cheap Japanese batteries! 
olasek
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I still think the issue is with the manufacturing of such battery, even though it is done by robotics in a highly repetitive/controlled environment the tiny variations in chemistry are still not fully understood and can't be adequately controlled. Hopefully now no grounding is necessary - it is just another failed part that needs replacement.
That'll teach JAL not to buy those cheap Japanese batteries!
Probably bought Chinese batteries,couldn't afford their own.
Art VanDelay
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At least the box and vent worked as designed. Ironic that it was almost exactly a year ago to the day when it got grounded.