What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A DIRTY SOCK SMELL DESCENDING THROUGH 10,000 FEET ON ARRIVAL. NOTICEABLE IN FLIGHT DECK, COULD NOT ISOLATE TO ONE PACK OR THE OTHER. **SUPPLEMENTAL REPORT FOR AALA202412048270: MAINTENANCE FOUND EVIDENCE OF OIL LEAKS ON THE APU AND CLEANED THE APU INLET, APU V BAND AREA AND THE APU COMPARTMENT. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PER TASK CARD 26L00021014. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO LEAKS OR ODORS NOTED.** (CLOSED)