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787 put through 'final' test
Source: Agencies |
April 7, 2013, Sunday
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Print Edition
Print Edition
BOEING put its 787 battery fix through a "final" flight test on Friday and will soon submit the data to regulators, who the aircraft maker hopes will sign off on the new battery system and allow the Dreamliner back in the air.
The 787 has been grounded since mid-January because of smoldering batteries that, in one case, caused a serious fire on the tarmac in Boston. Boeing's fix includes more heat insulation and a battery box designed so that any meltdown of the lithium-ion battery will vent hot gases outside of the plane.
Friday's flight took off from Paine Field in Everett, Washington, according to flight-tracking service FlightAware. It returned one hour and 49 minutes later.
"The crew reported that the certification demonstration plan was straightforward and the flight was uneventful," Boeing said in a statement.
The FAA needs to approve the test results and certify the battery system before airlines can fly 787s again. But the root cause of the battery problems remains unknown.
Boeing executives have said that other airplane problems have been fixed without understanding exactly what caused them.
The 787 has been grounded since mid-January because of smoldering batteries that, in one case, caused a serious fire on the tarmac in Boston. Boeing's fix includes more heat insulation and a battery box designed so that any meltdown of the lithium-ion battery will vent hot gases outside of the plane.
Friday's flight took off from Paine Field in Everett, Washington, according to flight-tracking service FlightAware. It returned one hour and 49 minutes later.
"The crew reported that the certification demonstration plan was straightforward and the flight was uneventful," Boeing said in a statement.
The FAA needs to approve the test results and certify the battery system before airlines can fly 787s again. But the root cause of the battery problems remains unknown.
Boeing executives have said that other airplane problems have been fixed without understanding exactly what caused them.
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