As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN STARTING APU AFTER LANDING, LINE SERVICE OBSERVED WHITE SMOKE, A FLAME COMING OUT OF THE EXHAUST & FUEL LEAKING FROM APU. THE CABIN ALSO HAD AN EXTREMELY STRONG ODOR OF JET FUEL. R & R APU FUEL FLOW DIVIDERIAW MM 49-30-58. LEAK & OPERATIONS CHECKED GOOD. R & R FUEL SHUT OFF SOLENOID IAW MM 49-30-54. OPS & LEAK CHECKED GOOD.