As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK AT 3000' ON APPROACH. **SUPPLEMENTAL REPORT FOR AALA202401037504: MAINTENANCE FOUND SOOT AROUND THE APU INLET AND A CLEANED THE INLET. MAINTENANCE ALSO ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMENTAL CONTROIL SYSTEM. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED. ** (CLOSED)