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Poland’s Boeing 787s to resume flights on Saturday

WARSAW — Poland’s LOT airline said its grounded Boeing 787 planes will resume flying on Saturday, four days earlier than planned.

The world’s 50 Boeing 787s were grounded in January after batteries smoldered on two planes. It is still trying to identify the root cause of the malfunctioning, but Boeing Co. has redesigned the lithium-ion batteries.

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LOT said all three of its 787s have had their batteries updated. The first flight on Saturday is from Warsaw to New York. The 787s are also scheduled to fly to Chicago and Toronto in summer. LOT is Europe’s only airline using the 787. It is due to get two more by Aug. 31. LOT has financial trouble and hopes the fuel-efficient 787, dubbed the Dreamliner,will boost business.

It is seeking more aid from the government and planning layoffs as part of a restructuring plan to be presented to the European Commission on June 20.

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