As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED SMELL IN CABIN DURING THE HIGH POWER SETTINGS OF TAKEOFF AND LANDING REVERSE THRUST. A SMELL SIMILARTO GLYCOL INGESTION AFTER DE- ICING, BUT THE AIRCRAFT WAS NOT DE- ICED. MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL AND REPLACED IT PER AMM 49-91-44. MAINTENANCE ALSO REPLACED THE APU GEARBOX VENT LINE DUE TO COKING PER AMM 49-91-44 (AALA202407082427). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.