THE EMPLOYEE WAS LOADING SUPPLIES FROM A FLAT TO HIS SCOOP BUCKET AND THE BUCKET WAS TILTED TO MAKE LOADING EASIER. THE EMPLOYEE CLIMBED IN THE SCOOP BUCKET, SLIPPED AND TWISTED HIS KNEE. DID NOT MISS ANY WORK (MRI DONE 11/27/01 AND COMPANY FIRST NOTIFIED ON MRI 12/4/01.) 4/3/02 COMPLETE RE-CONSTRUCTION ACL.