The mechanics’ unions say American is at fault. They say the airline walked away from contract talks, leading to low morale which might affect how quickly mechanics perform their work.
A trial is scheduled for Monday in federal district court in Fort Worth on American’s request for a permanent injunction against the Transport Workers Union and the International Association of Machinists and Aerospace Workers.
The Federal Aviation Administration says it has stepped up monitoring of American. That’s a standard step for the agency during airline labor disputes.
The airline says out-of-service planes have disrupted travel for many passengers — more than 175,000 through June 14.