As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH THE APU ON THE COCKPIT FILLED WITH JET FUEL FUMES STRONG ENOUGH TO BURN YOUR EYES. FOUND AIR COND. DUCTS UNDER CABIN FLOOR TO BE FUEL SOAKED. REMOVED FUEL SOAKED DUCTS AND INSTALLED INSPECTED DUCTS, LEAK AND OPS CHECKED OK. IAW G200 MM 25-00-00. NO ODOR DETECTED.