By Mike Spector, David Shepardson, Allison Lampert and Chris Prentice NEW YORK/WASHINGTON (Reuters) -Boeing has reached a tentative nonprosecution agreement with the U.S. Department of Justice in a fraud case stemming from two fatal 737 MAX plane crashes that killed 346 people,

A decision by the Justice Department not to pursue a guilty plea from Boeing would be the latest about-face in a long effort to hold the plane maker accountable for the crashes of two 737 Max jets.