EE WAS STANDING ON THE FIRST STEP LEADING TO THE OPERATORS COMPARTMENT CLEANING THE WINDSHIELD OF 323 LHD. WHILE HOLDING ON WITH ONE HAND AND CLEANING THE WINDSHIELD WITH THE OTHER, THE EE'S F OOT SLIPPED EE FELL 1 1/2-2 FT TO THE GROUND, LANDING ON HIS HANDS AND RIGHT FOOT, FRACTURING TWO TOES ON RIGHT FOOT.