What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN CABIN AND FLIGHT DECK DURING LOW ENGINE POWER SETTINGS. MOST NOTICEABLE DURING DESCENT AND TAXI IN. **SUPPLEMENTAL REPORT FOR AALA202407030636: MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL AND REPLACED IT PER AMM 49-52-51. MAINTENANCE ALSO FOUND THE APU GEABOX VENT LINE CLOGGED AND CLEANED IT PER AMM 49-26-55. (AALA202407124992) A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PER TASK CARD 26L00021014. ** (CLOSED)