EE STATES THAT WHILE DISCONNECTING THE ELECTRICAL WIRING FROM SPRING LOADED RETRACTING WHEEL, THE WHEEL GOT AWAY FROM HIM & AS THE WHEEL BEGAN TO SPIN HIS FOOT WAS STRUCK BY THE SPOKE OF THE WHEEL CAUSING HIS LEFT KNEE TO BE JAMMED. HE WENT TO HIS DR. WHO TOOK HIM OFF WORK UNTIL FURTHER TESTS COULD BE DONE SUCH AS AN MRI. EE COULD HAVE POSSIBLE LIGAMENT DAMAGE TO HIS KNEE.