MECHANIC WAS STANDING ON A REAR FENDER OF A PARKED FRONT-END LOADER. HE STEPPED FROM THE FENDER TO AN OPEN ENGINE COMPARTMENT DOOR. THE DOOR COLLAPSED AND EE FELL TO THE SHOP FLOOR. HE RECEIVE D A BROKEN COLLARBONE, A BROKEN ARM, 2 BROKEN RIBS AND A CUT ABOVE THE LEFT EYEBROW.