ON 7/16/02 SUPERVISOR WAS ATTEMPTING TO RECHECK A LIME HOPPER CAR, AND AT APPROX 8:30 AM WAS PULLING HIMSELF UP THE CAR ACCESS LADDER, WHEN HE FELT A SHARP PAIN IN HIS RIGHT ELBOW. HE CONTINUE D WORKING UNTIL JULY 22ND WHEN PAIN AND SWELLING IN THE RIGHT HAND REQUIRED FURTHER ATTNETION. AFTER THE INITIAL TREATMENT, THERAPY WAS BEGAN THEREBY MAKING INCIDENT REPORTABLE.