The Federal Aviation Administration (FAA) on Friday approved Boeing’s design for modifications to the 787 battery system. The changes are designed to address risks at the battery cell level, the battery level and the aircraft level, the FAA said.
Next week, the FAA will issue instructions to operators for making changes to the aircraft and will publish in the Federal Register the final directive that will allow the 787 to return to service with the battery system modifications.
The directive will take effect upon publication, according to the federal agency. The FAA will require airlines that operate the 787 to install containment and venting systems for the main and auxiliary system batteries, and to replace the batteries and their chargers with modified components.
“A team of FAA certification specialists observed rigorous tests we required Boeing to perform and devoted weeks to reviewing detailed analysis of the design changes to reach this decision,” FAA Administrator Michael Huerta said in a statement.