When a piece of an Alaska Airlines flight blew out into the sky in January, concern and scrutiny focused once more on the plane’s manufacturer, Boeing.Sydney Ember, a business reporter for The Times, explains what has been learned about the incident and what the implications might be for Boeing.Guest: Sydney Ember, a business reporter for The New York Times.Background reading: The Alaska Airlines plane may have left the Boeing factory missing bolts, the National Transportation Safety Board said.Facing another Boeing crisis, the F.A.A. takes a harder line.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.