As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3159 " DIRTY SOCK SMELL ''. BEGAN AS SOON AS APU BLEED TURNED ON. CORRECTIVE ACTION: FOUND OIL CONTAMINATION ON APU COMP AND IN INLET. PEFORMED AMDS WORK CARDS 0550-2002 AND 4900-2001. ECS DECONTAMINATION IAW WORK CARD 2100-2005. INSTALLED 2 NEW RECIRC FILTERS PER A319 AMM 21-21-41. (5374587)