As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PILOT'S POST-FUELING WALKAROUND INSPECTION, FUEL WAS OBSERVED DRIPPING FROM THE WHEEL WELL KEEL BEAM AREA. MX FOUND A CRACKED ALUMINUM ELBOW ON THE APU FUEL SHUTOFF VALVE LOCATED IN THE WHEEL WELL. CRACK WAS LOCATED ON THE SHORT LEG OF THE ELBOW EXTENDING FROM THE END OF THE OPENING DOWN TO INNER SHOULDER. THIS WAS AN ORIGINAL FACTORY INSTALLATION. RECOMMEND MFG USE STEEL FITTINGS FOR FLAMMABLE FLUID LINES.