WHILE LAYING ON A CREEPER UNDER A MACHINE, EE REACHED ACROSS TO PICK UP A WRENCH. THE TWISTING MOTION CAUSED HIS BACK TO GO OUT AND IN JAN HE HAD BACK SURGERY TO REPAIR THE DAMAGE. HE HAS HAD PREVIOUS BACK TROUBLE AND SURGERY IN YEARS PAST THE SAFETY OFFICE RECEIVED THE INJURY REPORT ON JAN 18 2002.