As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AUTO SHUTDOWN AT GATE. EXHAUST ODOR IN FLIGHT DECK. SMOKE SEEN FROM APU EXHAUST. REMOVED AND REPLACED APU FUEL SOLENOID VALVE IAW AMM 49-31-05 AND SUP 10-023A. REMOVED AND REPLACED APU FUEL SOLENOID CONNECTOR PLUG IAW ESPM 20-17-35, OPS AND LEAK CHECKED GOOD.