As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG ODOR REPORTED IN CABIN. MAINTENANCE FOUND OIL IN THE APU INTAKE AREA AND REPLACED THE APU LUBE MODULE (AALA202306217562) ALONG WITH THE APU FUEL CONTROL UNIT (AALA202306216489). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.