Brakes Failed problems of the 2008 Mazda Tribute

Tl-he contact owns a 2008 Mazda Tribute. The contact stated that while driving 35 mph, when trying to slow down, the vehicles brakes failed. The brake pedal was being depressed with no response and the brake pedal goes to the floor. The vehicle was not taken to a dealer or repaired, however the failure recurred. The manufacturer was not made aware of the failure. The failure mileage was 105,000. Ed.