United Airlines said it will resume commercial service with Boeing
's 787 Dreamliner on May 20 after the aircraft undergoes lithium-ion battery system modifications.
United is the only U.S.-based carrier operating the 787, with a total of six in its fleet. The airline's Dreamliners have remained grounded since mid-January, when FAA
issued a directive grounding all in-service 787s following multiple incidents where the aircraft's battery system overheated.
Beginning May 20, United will phase in scheduled service with its 787s between Houston's George Bush Intercontinental Airport (IAH) and several domestic hubs, according to a United spokesperson.
engineers are currently performing the battery system modifications at Kelly Field in San Antonio.
Ethiopian Airlines was the first carrier to resume commercial flights with the 787 after FAA approved Boeing's redesigned battery system in April.
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