As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRONIC CENTRALIZED AIRCRAFT MONITORING MESSAGE DISPLAYED FOR SMOKE IN LAVATORY AND CARGO DETECTION FAULT. *S/D* REPLACED SMOKE DETECTION CONTROL UNIT REFERENCING MAINTENANCE MANUAL 26-17-34-000-001 AND MAINTENANCE MANUAL 26-17-34-400-001. OPERATIONAL TEST OK REFERENCING MAINTENANCE MANUAL 26-17-00-710-001.