A manager tried to halt Boeing 737 Max production on safety before crashes

At least one whistle-blower also told the committee that the company sacrificed safety for cost savings

A Boeing Co. manager sought to halt production of the 737 Max over safety concerns before the first of two fatal crashes that led to the jet’s worldwide grounding, a top House lawmaker charged Tuesday.

Representative Peter DeFazio, the chairman of the Transportation & Infrastructure Committee, included the new allegations in a prepared statement for a hearing Wednesday at which Boeing Chief Executive Officer Dennis Muilenburg will testify. The CEO testified Tuesday before a Senate committee about the Max, which has been banned from flying since March.

“We now know of at least one case where a Boeing manager implored