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Battery woes again on JAL Dreamliner
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Japan Airlines Co said a Boeing 787 Dreamliner flight from Helsinki to Tokyo suffered problems with the same type of battery that caught fire in Boston in January and grounded the 787 fleet globally for three months.
The JAL website said yesterday that the battery on JAL flight 414 on Friday did not overheat or emit smoke, but that a cockpit indicator showed trouble with the battery connected to the plane’s auxiliary power unit during the flight.
“However, the voltage and electrical current were within normal range and there was no effect on the remainder of the flight,” the airline added.
The battery was replaced, and inspections were continuing.
Boeing officials were not available for comment.
The 787 Dreamliner, Boeing’s state-of-the-art jet, has two large lithium-ion batteries that provide backup power to aircraft systems. The 787 fleet was grounded for three months early this year after those batteries burned on two jets within two weeks.
The first incident occurred on a JAL plane that had landed in Boston, and the second on an All Nippon Airways plane whose battery overheated on a domestic flight and made an emergency landing.
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