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THURSDAY, 17 APR 2014
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Boeing reports 787 battery fix to Japan regulators
Associated Press
This file picture taken on January 16, 2013 shows an All Nippon Airways' Boeing 787 Dreamliner (bottom) being pulled by a towing tractor at Tokyo's Haneda airport. AFP PHOTO / FILES / Yoshikazu TSUNO
This file picture taken on January 16, 2013 shows an All Nippon Airways' Boeing 787 Dreamliner (bottom) being pulled by a towing tractor at Tokyo's Haneda airport. AFP PHOTO / FILES / Yoshikazu TSUNO
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TOKYO: Boeing CEO Ray Conner met with Japan's transport minister and other officials in Tokyo on Thursday to explain his company's proposal for resolving problems with the 787 Dreamliner's lithium-ion batteries that have kept the aircraft grounded for over a month.

Conner met with Akihiro Ota, who heads the Ministry of Land, Infrastructure, Transport and Tourism, and with the director general of the Civil Aviation Bureau, to explain the proposed solution to the problem of the batteries overheating, Boeing said.

Connor met earlier with All Nippon Airways, Boeing's launch customer with 17 of the 787s, said ANA spokeswoman Megumi Tezuka. She said the contents of the discussion were confidential.

A staffer at Japan Airlines headquarters in Tokyo said he could not confirm if Conner had already met with JAL executives.

Boeing's plan, presented to U.S. regulators last week, calls for revamping the batteries to prevent potential short-circuiting from spreading from any one battery cell to others.

Conner told reporters in Tokyo that the proposal takes into account "any possible events."

"It is not an interim solution. This is a permanent solution," the Kyodo News Service quoted him as saying. "We are very hopeful that we will get the aircraft back in the air very soon."

Officials in the U.S. said Boeing would fix the problem with the batteries overheating by putting more robust ceramic insulation around each of the battery's eight cells so as to prevent any thermal runaway, a chemical reaction that leads to progressively hotter temperatures that was found in damaged batteries in JAL and ANA incidents.

The U.S. Federal Aviation Administration is considering the plan.

Dreamliners were grounded worldwide after an overheated battery aboard an ANA 787 domestic flight forced an emergency landing in Japan on Jan. 16. Investigators are still probing the cause of that event, and of a Jan. 7 fire that erupted in an auxiliary power unit battery of a JAL 787 about a half-hour after the plane landed at Boston's Logan International Airport.

There are a total of 50 of the planes in service worldwide, and Boeing had orders for 800 of the airliners at the time they were grounded.

ANA has extended the cancellations of its 787 flights to May 31, with the total number of flights affected at nearly 3,600 and involving some 167,820 passengers. JAL has cancelled its 787 flights through Mar. 30.

 
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