As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW STRONG DIRTY SOCK ODOR IN FLIGHT DECK DURING DECENT THROUGH 10,000 FEET. MAINTENANCE REPLACED THE APU GEARBOX VENT TUBE DUE TO COKING, REPLACED THE AIR/OIL SEPERATOR CARBON SEAL (AALA202405263157) AND THE APU OIL COOLING FAN SHAFT O-RING (AALA202405265159). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.