Prosecutors plan to ask Boeing to plead guilty to deceiving air-safety regulators about a crucial aspect of the 737 MAX planes implicated in two disastrous crashes, wiping out a more-lenient agreement the company received more than three years ago.

Prosecutors plan to ask Boeing to plead guilty to deceiving air-safety regulators about a crucial aspect of the 737 MAX planes implicated in two disastrous crashes, wiping out a more-lenient agreement the company received more than three years ago.