As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS DURING DESCENT, ODOR SMELLY SOCKS, STRONGEST AT 10,000FT DISSIPATING WHEN AIRCRAFT LEVELED OFF. MAINTENANCE FOUND THE APU OIL COOLER FAN LEAKING. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED THE APU IAW CARD 26L31049003.*** (CLOSED)