As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. ODOR IN CABIN FROM HYDRAULIC FLUID IN THE AUXILIARY POWER UNIT INTAKE. HYDRAULIC FLUID LEAKING FROM RIGHT AND LEFT WHEEL WELLS. SECURED LEFT HYDRAULIC POWER TRANSFER UNIT VALVE (AALA201708219042), LEFT THRUST REVERSER CONTROL VALVE, AND RIGHT LANDING GEAR VALVE (AALA201708229009) PER AMM 20-30-02. ACCOMPLISHED APU RUN. OPERATIONAL AND LEAK CHECK GOOD.