WILL EE WAS RIDING INTO THE STATION ON A TRACTOR AND HE HIT HIS HARD HAT ON A LOW HANGING VENT LINE, CAUSING HIS NECK TO BE JARRED. HE WAS ASKED IF HE WAS OKAY AT THE TIME, AND HE SAID YES HE DID NOT REPORT IT UNTIL THE 9TH OF DECEMBER. HE HAS A NECK STRAIN.