WHILE REPAIRING A TEAR IN A CONVEYOR BELT, EE WAS WALKING ON THE BELT, SLIPPED AND FELL. FALLING BACK, LANDED ON THE BELT. HE FELT SOME PAIN IN HIS LEFT SHOULDER. HE HAD SURGERY ON THE SHOULDE R ON 8-22-01, STARTED RESTRICTED WORK DUTY STARTING 8-27-01.