He was using the brakes to much at the end of the long ramp mate.she is carrying 100 ton the 777 only weighs 73 ton.so the rear axle has warmed up way to much and fatigued the axle.thus snapping in half.
He should of been using the engine retarder to hold it back down the ramp..but being lazy was using the foot brake.
£1 million pound machine...