As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUEL SMELL IN CABIN WITH APU RUNNING. ITEM TRANSFERRED TO DMI 02911151 IAW MEL 49-1-0. CAT (C). PLACARD INSTALLED. FOUND FUEL LINE ON FUEL HEATER (APU) CHAFED THROUGH, REMOVED LINE AND ROUTED LINE SO IT DOES NOT CHAFE, LEAK CHECK GOOD.