As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS OIL SMELL IN CABIN WITH APU BLEED AIR ON. MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001 A320F SMOKE ODOR FUMES INITIAL TROUBLESHOOTING AND JOB CARD 26L00021002 A320F SMOKE ODOR FUMES TROUBLESHOOING, FOUND APU TO BE SOURCE OF ODOR. FOUND APU OIL COOLER LEAKING. MAINTENANCE REMOVED AND REPLACED APU OIL COOLER IAW AMM 49-91-44. OPS CHECK GOOD