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The Boston Globe

Business

NTSB makes little headway in 787 investigation

The first report of a possible fire came from a cleaning worker just minutes after the passengers and crew had left a Boeing 787 jet that had landed shortly before at Logan International Airport in Boston. A cleaning worker noticed ‘‘an electrical burning smell and smoke’’ in the back of the cabin, according to a report released Thursday by the National Transportation Safety Board.

A mechanic then saw and smelled smoke there before seeing two distinct flames about 3 inches long at the front of the case holding the plane’s lithium-ion battery in the electronics bay.

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