What was found
FLIGHT 7770, LEFT BRAKE HAD NO BRAKING ACTION, PEDAL GOES TO THE FLOOR. MAINTENANCE REPLACED THE BRAKE MASTER CYLINDER. OPS AND LEAK CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 7770, LEFT BRAKE HAD NO BRAKING ACTION, PEDAL GOES TO THE FLOOR. MAINTENANCE REPLACED THE BRAKE MASTER CYLINDER. OPS AND LEAK CHECKED GOOD.