Debra hersman chaired the u. S. National Transportation Safety board. She said a lithium ion battery sparked a fire on a jet in boston. This investigation has demonstrated that a short circuit in a single cell can propagate to adjacent cells and result in smoke and fire. Engineers packaged eight cells together in designing the battery system for the dreamliner. Hersman said they didnt place them far enough apart so trouble in one could affect the others. They have not determined why the batteries short circuiteded. Another battery fire forced the pilot of an all Nipon Airways pilot to make an Emergency Landing in japan. U. S. Authorities grounded all 787s. Officials at boeing said the batteries were likely to cause smoke only once in every 10 million flight hours. Japans government will look at russias intent after the air space violation by russian war plane. Two russian war planes briefly entered japanese air space. Officials launched a protest with russian authorities. The Russian D
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