Boeing Investors Seek Answers After Latest 737 Production Glitch

A Boeing logo at the company's facility in Everett after it was announced that their 777X model will make its first test flight later in the week in Everett, Wash., on Jan. 21, 2020. Lindsey Wasson/Reuters

WASHINGTON—Boeing Co. is expected to reveal whether the latest 737 MAX manufacturing problem will derail the U.S. plane maker’s annual goals for passenger jet deliveries and free cash flow when it unveils its first quarter financial results on Wednesday.

Investors are clamoring for details on the extent of the problem, which Boeing said involves a “significant” portion of the 737 fleet where two brackets were improperly installed.