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An all things aviation blog

A short circuit in one of the battery cells caused the fire on-board the JAL 787 flight in Boston. The NTSB has ruled out mechanical failure as a cause of the short-circuit, and has turned to looking for manufacturing and design defects.

With mechanical failure eliminated as a cause of the fire, there is a either a failure in the design or a manufacturing defect. Obviously Boeing is hoping that it is a manufacturing defect so blame can be shifted to the manufacturer of the battery.

If the failure is determined to be a design defect, then Boeing will have to redesign the 787 battery and will be much longer before the 787 returns to service.


I will of course keep you updated.


Happy Flying!



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