As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ACCOMPLISHED JPC 26L00021001 A320 SMOKE/ODOR/FUMES INITIAL TROUBLESHOOTING FOUND SOURCE OF THE FUMES TO BE COMING FROM THE APU. APU INTLET HAD OIL CONTAMINATION. AFTER APU WAS CLEAND FOUND A SUBSTANTIAL LEAK IN THE L/H W/W FROM A LOOSE UNION THAT WAS IMPACTING THE APU INLET. TIGHTENED UNION LEAK CHECKS GOOD.