Boeing receives federal approval for battery test of 'Dreamliner'

The author has posted comments on this articlePTI | Mar 13, 2013, 06.27AM IST

WASHINGTON: Aviation major Boeing has received federal approval to its plan to test the battery system of its 'Dreamliner' planes, which were grounded early this year after a fire in one of the aircraft due to fault in the battery system.

A successful completion of the test will pave the way for commercial resumption of Boeing 787 flights.

"Our top priority is the integrity of our products and the safety of the passengers and crews who fly on them," Boeing chairman, president and CEO Jim McNerney said in a statement announcing the approval his company received from the Federal Aviation Administration (FAA).

He said a Boeing team is working round the clock to understand the issues and develop a solution based on extensive analysis and testing following the events that occurred in January.

"Today's approval from the FAA is a critical and welcome milestone toward getting the fleet flying again and continuing to deliver on the promise of the 787," he said.

The Boeing approval includes three layers of improvements, said Ray Conner, president and chief executive officer of Boeing Commercial Airplanes.

"First, we've improved design features of the battery to prevent faults from occurring and to isolate any that do.

Second, we've enhanced production, operating and testing processes to ensure the highest levels of quality and performance of the battery and its components," he said.

"Third, in an unlikely event of a battery failure, we've introduced a new enclosure system that will keep any level of battery overheating from affecting the airplane or being noticed by passengers," Conner said.

Design feature improvements for the battery include addition of new thermal and electrical insulation materials and other changes, the Boeing said, adding the enhanced production and testing processes include more stringent screening of battery cells prior to battery assembly.

Operational improvements focus on tightening of the system's voltage range.

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