EE STATES HE SQUATTED DOWN TO PICK UP TOOLS AND R KNEE BUCKLED. SAID HE FELT SOMETHING ""POP"" IN KNEE. HAS BEEN UNDER INVESTIGATION BY WORK COMP. THEY REPORTED ON 1-16-02 THAT IT IS APPRENTLY W ORK RELATED DESPITE PERSONAL HISTORY OF KNEE TROUBLE. TO HAVE SURGERY 1-20-03.