View Count: 202 |  Publish Date: November 24, 2013
Boeing Warns of Ice Risks for GE-Powered Dreamliners in Storms
By Chris Cooper - 2013-11-23T22:01:42Z Stock Chart for Boeing Co/The (BA)
Boeing Co. (BA), maker of the Dreamlineraircraft, told customers of some makes of General Electric Co.-powered engines to keep away from thunderstorms, which can causeice crystals to form and reduce the engine’s thrust.
Japan Airlines Co. (9201), the world’s second-largest Dreamlineroperator, will replace 787 Dreamliners on flights between Tokyoand Delhi with 777s starting tomorrow, and will also switch to767s on its Tokyo-Singapore route, it said in a statement yesterday.
Boeing instructed carriers with the GEnx engines to avoidflying within 50 nautical miles (93 kilometers) of thunderstormsto reduce chances of ice crystals forming, the planemaker saidin an e-mailed statement. The 787 had problems with its batteryearlier this year that led to the plane being grounded for morethan three months.
“There may be cases where we wouldn’t be able to go allthe way round the cloud formation and we’d have to turn back,”Yuichi Kitada, a general manager in JAL’s engineeringdepartment, said yesterday in Tokyo. “We’re at the first stepof discussing a solution to this problem with Boeing and GE.”
Boeing spokeswoman Yvonne Leach said the company alertedcarriers and freight operators of 747-8s and 787s with GEengines, without specifying how many that was.
There have been six cases since April of planes with GEnxengines temporarily losing thrust in high-altitude icingconditions, according to an e-mailed statement from GE.
The Fairfield, Connecticut-based company is working onsoftware modifications to eliminate the problem and expects themto be available in the first quarter of next year, the statementsaid.
Boeing said it will “work closely” with GE to address theissue.
ANA Holdings Inc. (9202), the world’s biggest operator of 787s,uses Rolls-Royce Holdings Plc engines on its Dreamliners andhasn’t received any notification to avoid certain weatherconditions, Maho Ito, a spokeswoman for the carrier, said bytelephone.
To contact the reporter on this story:Chris Cooper in Tokyo at
To contact the editor responsible for this story:Anand Krishnamoorthy at

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Time: 21:12  |  News Code: 349549  |  Site: bloomberg
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