Transmission Gear Slipping problems of the 2010 Chevrolet Silverado

Tl-the contact owns a 2010 Chevrolet Silverado. The contact stated while driving 55 mph on the highway. The contact smelled an abnormal smell coming from under the vehicle. The contact then pulled over to the side of the road and open the vehicle hood and flames then occurred and went out after fifth teen minutes. Then contact then proceeded to driving the vehicle once it was cooled down. The contact discovered transmission oil leaking and the transmission gear was slipping from each gear. The vehicle then became inoperable. The vehicle was towed to the dealership where it was diagnosed that the transmission line needed to be replaced. The vehicle is currently being repaired. The manufacturer was not notified of the failure. The failure mileage was 51,000. Ng.