As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7 - PHX - CABIN ODOR - FLIGHT ATTENDANT REPORTED "STINKY SOCK" SMELL DURING DESCENT - APU NEVER STARTED. MAINTENANCE COMPLIED WITH STAGE 3 BORESCOPE ON BOTH ENGINES AND NO OIL WAS PRESENT. FOUND APU OIL OVERSERVICED AND INLET WET WITH OIL. DRAINED RESERVOIR TO FULL MARK AND CLEANED APU. REMOVED AND REPLACED BOTH OZONE FILTERS.