EMPLOYEE WAS INSTALLING THE SOUTH HATCH DOOR ON FINISH MILL #1. AS THE DOOR WAS BEING PULLED UP, THE DOOR HANDLE SEPERATED FROM THE DOOR AND SHOT UP AND HIT THE EMPLOYEE ON THE CHEEKBONE. INVE STIGATION SHOWED THAT THE WELDS ATTACHING THE HANDLES TO THE DOOR FAILED. ALL DOOR HANDLES ARE BEING INSPECTED AND REPLACED.