What was found
DURING TAXI-OUT FROM BWI THE LEFT BRAKE LOST PRESSURE. THE AIRCRAFT RETURNED TO THE GATE. THE BRAKE MASTER CYLINDER WAS REPLACED THE SYSTEM CHECK GOOD. THE AIRCRAFT WAS RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI-OUT FROM BWI THE LEFT BRAKE LOST PRESSURE. THE AIRCRAFT RETURNED TO THE GATE. THE BRAKE MASTER CYLINDER WAS REPLACED THE SYSTEM CHECK GOOD. THE AIRCRAFT WAS RETURN TO SERVICE.