What was found
LAVATORY AND CARGO DETECTOR FAULT DISPLAYED ON UPPER ECAM SCREEN - SMOKE. SDCU FAILURE. REPLACED THE SDCU, ALL OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAVATORY AND CARGO DETECTOR FAULT DISPLAYED ON UPPER ECAM SCREEN - SMOKE. SDCU FAILURE. REPLACED THE SDCU, ALL OPS CHECKED NORMAL.