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ANA Holdings Inc. is canceling flights as the world’s biggest operator of Boeing Co.’s 787 Dreamliner checks for corrosion in the jet’s Rolls-Royce Holdings Plc engines.
The Japanese airline canceled nine flights scheduled for its 50-jet Dreamliner fleet for Friday and may scrub more than 300 trips through the end of September as it deals with cracking in the medium-pressure turbines of the Trent 1000 engines, Takeo Kikuchi, a deputy senior vice president of engineering and maintenance, told reporters Thursday in Tokyo.
The disruption is the largest 787-related miscue for ANA since 2013, when Boeing and regulators grounded the global Dreamliner fleet after lithium-ion batteries caught fire on two jets. About 38 percent of the 787s in service are powered by the Trent 1000, while the rest are outfitted with General Electric Co. engines.
The latest problem came to the fore as ANA investigated why a 787 engine overheated during a February flight. That jet returned to Kuala Lumpur airport after receiving a warning that the temperature of the exhaust gas from its right engine had spiked. ANA has encountered corrosion in turbines since then, most recently on Aug. 20.