Since then, all 50 787s that Boeing has delivered to airlines' fleets have been grounded, and the manufacturer has halted deliveries of new planes until it can address the electrical problems.The batteries in two incidents "had a thermal overrun because they short-circuited," Goglia said. "The question is whether it was a manufacturing flaw in the battery or whether it was induced by battery charging."
Investigators: 787 Battery That Burned Was Not Overcharged
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