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FAA approves Boeing's 787 battery certification plan.
The US Federal Aviation Administration (FAA) has approved Boeing's proposal to fix battery issues on the 787 Dreamliner, allowing the airframer to conduct limited test flights on two aircraft even as a safety investigation continues.
Boeing would be required to conduct "extensive testing and analysis to demonstrate compliance" with safety regulations, says the FAA today, almost two months after it grounded the 787 fleet on 16 January.
"This comprehensive series of tests will show us whether the proposed battery improvements will work as designed," says US Transportation Secretary Ray LaHood. "We won't allow the plane to return to service unless we're satisfied that the new design ensures the safety of the aircraft and its passengers."
Boeing's proposal involves three layers of protection to prevent overheating in the lithium-ion batteries that power the 787's auxiliary power unit: improved separation between the battery cells, installing ceramic-plated spacers between each of the cells and the addition of a containment and venting system so smoke cannot enter the passenger cabin.
"We are confident the plan we approved today includes all the right elements to conduct a comprehensive evaluation of the battery system redesign," says FAA administrator Michael Huerta. "Today's announcement starts a testing process which will demonstrate whether the proposed fix will work as designed."
The FAA says Boeing's proposal would require the airframer to pass a series of tests before the 787 is returned to service.
Boeing would be required to conduct "extensive testing and analysis to demonstrate compliance" with safety regulations, says the FAA today, almost two months after it grounded the 787 fleet on 16 January.
"This comprehensive series of tests will show us whether the proposed battery improvements will work as designed," says US Transportation Secretary Ray LaHood. "We won't allow the plane to return to service unless we're satisfied that the new design ensures the safety of the aircraft and its passengers."
Boeing's proposal involves three layers of protection to prevent overheating in the lithium-ion batteries that power the 787's auxiliary power unit: improved separation between the battery cells, installing ceramic-plated spacers between each of the cells and the addition of a containment and venting system so smoke cannot enter the passenger cabin.
"We are confident the plan we approved today includes all the right elements to conduct a comprehensive evaluation of the battery system redesign," says FAA administrator Michael Huerta. "Today's announcement starts a testing process which will demonstrate whether the proposed fix will work as designed."
The FAA says Boeing's proposal would require the airframer to pass a series of tests before the 787 is returned to service.
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