What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED ODOR SHORTLY AFTER TAKEOFF. EVENT ALSO OCCURRED ON ENGINE START AND TAXI OUT BUT WAS ALSO EXPERIENCED THE ODOR ON TAXI-IN AND SHUT DOWN. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202301307946: MAINTENANCE FOUND DE-ICING FLUID IN THE APU AIR INTAKE, CLEANED THE APU AIR INTAKE PER TASK CARD 26T31049006 AND ACCOMPLISHED DECONTAMINATION OF THE ENVIRONMENTAL CONTROLS SYSTEMS PER TASK CARD 26L00021004. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED. ** (CLOSED)