[air] a grievance

to express a complaint, concern, or dissatisfaction about a particular issue, typically to an authority figure or in a formal setting

The employees decided to air their grievances about working conditions during a meeting with the management.
The student aired a grievance about the unfair grading of his exam.
She felt it was important to air her grievance about the lack of accessibility for people with disabilities.
During the town hall meeting, community members had the opportunity to air their grievances with local officials.
The customer called the company's customer service department to air a grievance about a faulty product.