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 REPORTED IN CABIN. INTERMITTENT DURING FLIGHT AND STRONGER ON THE GROUND. **SUPPLEMENTAL REPORT FOR AALA202310065762: MAINTENANCE REPLACED THE APU DUE TO THE APU GEABOX COOLING FAN MATING SURFACE BEING NICKED AND LEAKING OIL. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.** (CLOSED)