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The Federal Aviation Administration (FAA) is still assessing Boeing’s proposed fix for the 787 battery problem but may be ready to offer an initial response as soon as early next week, according to a person familiar with the details.

That response is not likely to include immediate permission to fly even test flights, but may lay out a path for Boeing to get approval for such tests, the person said.

Last Friday, Boeing formally submitted a detailed proposal to the FAA.

The proposed fix includes a stronger battery containment box, a system of tubes to vent any hot gases directly out of the airplane, better thermal separation between battery cells, and monitoring of individual cells for changes in voltage and temperature.

Dominic Gates: (206) 464-2963 or