As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE LOADING PASSENGERS, THE FLIGHT CREW REPORTED AN ODOR IN THE CABIN. ALSO NOTED ODOR IN COCKPIT. THE APU HAD INGESTED HYDRAULIC FLUID INTO THE APU INLET. ISOLATED LEAK TO CRIMP AT ELBOW TEE TO HYDRAULIC FILTER. PERFORMED ALTERNATE DUCT BURNOUT.