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Boeing restarts deliveries of 787

Boeing says it is on track to deliver at least 60 of the planes this year.

PAUL J. RICHARDS/AFP/Getty

Boeing says it is on track to deliver at least 60 of the planes this year.

Boeing restarted deliveries of 787s on Tuesday after a four-month halt while it dealt with the smoldering batteries that had kept the planes grounded.

Boeing handed the plane over to Japan’s All Nippon Airways at its factory in Everett, Wash.

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Airline flights and deliveries stopped in mid-January after two battery incidents. One was a fire on a plane that had just landed at Logan Airport in Boston, and the second was in-flight smoldering that prompted an emergency landing by an ANA plane.

The emergencies prompted aviation authorities to ground the world’s 50 787s while investigators looked for a root cause. They never found one, but Boeing designed extensive changes to the battery and its charger, including more heat insulation, holes to vent any flame or smoke, and lower charging levels. US and Japanese authorities approved the fix last month.

Airlines have been slowly resuming flights. Ethiopian Airlines was the first to get the plane back in the air, on April 27. United Continental Holdings Inc. owns six of the jets and is set to begin flying one of them again Monday. Japan Airlines plans to resume its daily Boston-Tokyo flight on the Boeing 787 on June 1.

Airline customers have been eager to get the plane, which is supposed to be 20 percent more fuel efficient per seat than other, similar planes. The battery problem came just as Boeing was ramping up production after delivering the first one in 2011, three years late.

Boeing had set a goal of delivering at least 60 of the planes this year, and it said on Tuesday that it is still on track to meet that target.

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