Boeing commercial airplanes head Stephanie Pope will focus on the recovery of the company's crucial and challenged plane-making unit under a reorganization that ends her role as the company's chief operating officer but leaves her as the No.

The head of Boeing Co.’s commercial aircraft business rescinded her additional title of chief operating officer, a designation she gained little over two years ago as part of a succession plan that unraveled when the planemaker went through a year of crisis.