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The
carrier said that under certain flying conditions the compressor
blades in the engine's interior showed corrosion. It said it
will cancel nine domestic 787 flights on Friday, with other
cancellations likely in the coming weeks.
ANA's Dreamliners are powered by Rolls-Royce Trent 1000 engines.
The Japanese airline is the biggest operator of the Boeing model
with some 49 aircraft, or around a tenth of the global fleet. Of
the 445 Dreamliners in operation worldwide, 168 use the
Rolls-Royce engines, according to Boeing's website.
"We are aware of the situation and are working with Rolls-Royce
and ANA to resolve any issues impacting the airplanes in
service," a spokesman for Boeing in Tokyo said.
Rolls-Royce Holdings in an e-mailed statement said it was
"working closely with ANA to minimise the effect on aircraft
service disruption." It did not say whether the problem had been
found in 787 engines on aircraft operated by other airlines.
Airlines that order the Dreamliner can choose either the
Rolls-Royce engines or General Electric Co's <GE.N> GEnx engines
for their aircraft.
ANA said vibrations resulting from the problem with the
compressor blades had occurred on a flight from Japan to
Malaysia in February and on one to Vietnam in March. A 787
traveling on a domestic route on Aug. 20 had also experienced
trouble, it said.
(Reporting by Maki Shiraki and Tim Kelly in TOKYO and Sarah
Young in LONDON; Editing by Christopher Cushing and Susan
Thomas)
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