Some workers at Boeing Co.'s North Charleston fuselage plant workers will have to work extended hours to make up for a supply chain hiccup.

Tim Coyle, Boeing Charleston vice president, said about 200 employees will have to work 10-hour days and take shifts every other weekend to bring the factory up to speed.

Production fell behind after the plant ran out of a composite fuselage part a year ago.

The extra work is expected to last about a month.

The plant makes fuselage sections for Boeing's 787 Dreamliner, which will be made in North Charleston beginning next year. Officials today marked a construction milestone by putting in place the final piece of structural steel for the new 787 assembly plant at Charleston International Airport.