As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI, A STRONG ODOR PRESENT IN ACFT. DURING TROUBLESHOOTING, EXCESSIVE LEAK WAS FOUND COMING FROM THE APU FUEL MANIFOLD. LEAK WAS COMING FROM THE 3 O`CLOCK FUEL DISCHARGE NOZZLE AND FUEL MANIFOLD. R & R APU FUEL NOZZLE IAW AMM 49-31-51, OPS CHECKED GOOD. ACFT RETURNED TO SERVICE.