EE HAD JUST GOTTEN OUT OF THE MANTRIP AND WAS WALKING TOWARD THE 7 LEFT SECTION WHEN HE STEPPED ON SOME UNEVEN BOTTOM AND SLIPPED, CAUSING HIM TO EXPERIENCE SOME PAIN IN HIS RIGHT KNEE. THIS W AS LATER DIAGNOSED AS A TORN MENISCUS FOR WHICH SURGERY WAS PERFORMED ON 12/14/00. FIRST DAY WAY FROM WORK 12/13/00.