As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING DESCENT THROUGH FL180 THE FLIGHT ATTENDANTS REPORTED A STRONG DIRTY SOCKS ODOR IN THE CABIN. **SUPPLEMENTAL REPORT FOR AALA202311279021: MAINTENANCE FOUND THE APU GEARBOX VENT TUBE / LINE CLOGGED AND CLEANED THE VENT TUBE / LINE PER AMM 49-26-55. A SATISFACTORY LEAK / OPEATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)