As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3225 - SMKE - AFTER LANDING WHILE APU STARTING, VISIBLE SMOKE OCCURRED IN CABIN. CORRECTIVE ACTION: FOUND APU INLET CONTAMINATED WITH OIL FROM AN EXTERNAL APU OIL LEAK. APU PLACED ON MEL. COMPLIED WITH AMDS 0550-2002 AND 2100-2005. REPLACED RIGHT OZONE FILTER PER A320 AMM 21-51-41. (2610677)