As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL SMELL IN COCKPIT AND CABIN IN FLIGHT IMMEDIATELY AFTER APU START FOUND BOTH FUEL FEED AND FUEL RETURN LINES @ APU FUEL CONTROL LOOSE TIGHTENED AS REQUIRED.OPS CHECK GOOD IAW, AMM 49-10 AND AMM 21-00. NO UNUSAUL ODORS AT THIS TIME C/W SUP 09-037C. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.