THE EE HAD PARKED THE ENDLOADER NEXT TO DIESEL FUELING STATION & WAS DESCENDING THE OUTSIDE LADDER FROM CAB WHEN ACCIDENT OCCURRED. AS EE WAS MAKING HIS WAY TO THE GROUND, HIS RT FOOT SLIPPED OFF LADDER RUNG WHILE HIS LT FOOT & HAND WERE IN MOTION CAUSING HIS FULL BODY WEIGHT ONTO HIS RT SHOULDER & ARM WHICH WAS STILL CLINGING TO LADDER. EE QUICKLY CAUGHT HIS FOOTING & PROCEEDED DO