A terrifying accident on an Alaskan Airlines flight has put renewed scrutiny on Boeing, the airline industry titan, which has seen a series of accidents and mechanical failures in recent yearsRead more:On Friday, a side panel on an Alaska Airlines flight popped out of place as the plane was ascending, sending air whistling through the cabin and terrifying passengers. The plane landed safely — but this was the latest in a series of mechanical issues on Boeing planes, some of which have ended in fatal crashes.Washington Post transportation reporter Ian Duncan has followed the troubled history of the Boeing 737 Max jet. He joins us to break down the federal and industry response to last week’s accident and the guardrails meant to keep air travel safe.Today’s show was produced by Emma Talkoff. It was mixed by Rennie Svirnovskiy. And edited by Monica Campbell. Thanks to Sabby Robinson, Silvia Foster-Frau and Sandhya Somashekhar.Subscribe to The Washington Post here.