As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFO TO MX: IN CRUISE FLIGHT FA PANEL MESSAGE: ALL LAV SMOKE DETECTORS INOP. RESET SDF1 AND SDF2 DID NOT WORK. RESET CIDS 1 PER MOC AND MESSAGE CLEARED. NOTED BY MAINTENANCE. PERFORMED SYSTEM TEST PER AMM 26-10-00. CHECKS OKAY. INDIVIDUAL TEST OF LAVATORY SMOKE ALARMS ALL PASS (REF AMM 26-17-00). OK TO CONTINUE.