As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT SMELLS OF TOXIC FUMES WAS REPORTED DURING ALL PHASES OF FLIGHT BY THE CREW. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202301269381: MAINTENANCE CLEANED THE APU / APU LOAD COMPRESSOR AND ACCOMPLISHED A LEAK CHECK WITH NO LEAKS NOTED. A DECONTAIMATION OF THE ENVIRONMANTAL SYSTEM COMPONENTS WAS ACCOMPLISHED WITH NO ODORS NOTED. ** (CLOSED)