What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO PIT DUE TO THE FLIGHT CREW REPORTING A DIRTY SOCK SMELL JUST AFTER TAKEOFF THROUGH CRUISE. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202309251738: MAINTENANCE FOUND THE APU OIL COOLING FAN TRANSFER TUBES LEAKING OIL AND REPLACED THE O-RINGS ON THE TRANSFER TUBES PER AMM 49-52-51. MAINTENANCE ACCOMPLISHED AN ENHANCED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER TASK CARD 26L00021014. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLOISHED WITH NO ODORS NOTED.** (CLOSED)