American Airlines flight that rolled off the runway last month had faulty brakes, probe finds

• An American Airlines flight experienced a "brake anomaly" during its landing last month.
• Safety investigators determined the plane's flexible hydraulic lines were not properly connected.
• The incident is just one in a string of safety accidents that have shocked the industry in recent months.

An American Airlines flight that rolled off the runway last month when its braking system malfunctioned had undergone a brake-replacement job just four days prior, investigators said.

The February 10 American Airlines flight from Washington, DC, to Dallas experienced a "brake system anomaly" during landing, according to a preliminary National Transportation Safety Board report.