EE WAS WALKING TO SLOPE BOTTOM. SOMEONE HAD ATTEMPTED TO CLOSE THE AIRLOCK DOORS. HE TRIED TO HURRY THROUGH THE DOORS BEFORE THEY CLOSED. HIS COAT SLEEVE CAUGHT ON THE DOOR; RESULTED IN HIS ARM BEING CAUGHT BETWEEN THE CLOSING DOORS. EE WORKED ALL SCHEDULED SHIFTS UNTIL 9/7/05, THE DATE HE BEGAN MISSING SCHEDULED WORK DAYS. BECAME REPORTABLE ON THAT DATE.