What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS COMPLAINED OF DIRTY SOCK SMELL ON DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202204272251: MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL AND REPLACED IT PER AMM 49-52-51. MAINTENANCE ALSO FOUND APU OIL COOLING FAN TRANSFER TUBES LEAKING OIL AND REPLACED THE O-RINGS AS REQUIRED. (AALA202205196380) A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. NOTE: THE ITEMS REPLACED ON THIS REPORT ALSO CORRECTED ANOTHER ODOR EVENT THAT WAS REPORTED ON AALA202205040261. ** (CLOSED)