SEATTLE (AP) — Boeing has delivered layoff notices to more than 400 members of its professional aerospace labor union, part of thousands of cuts planned as the company struggles to recover from financial and regulatory trouble as well as an eight-week strike by its machinists’ union.

The pink slips went out last week to members of the Society of Professional Engineering Employees in Aerospace, or SPEEA, The Seattle Times reported. The workers will remain on the payroll through mid-January.

Boeing announced in October that it planned to cut 10% of its workforce, about 17,000 jobs, in the coming months.