EE WAS OPERATING FRONT END LOADER, THE COVER FOR THE AIR CONDITONING VENT FELL OFF. HE REACHED INTO VENT TO SEE HOW THE COVER WAS SECURED, HIS FINGER CAME INTO CONTACT WITH THE FAN, THE RESULT WAS A LACERATION WHICH REQUIRED THREE STITICHES. THE INJURY REQUIRED MEDICAL ATTENTION ONLY, NO WORK DAYS WERE LOST.