As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE SMOKE ALARM INDICATOR LIGHT ON FORWARD RAINBOW INDICATOR PANEL WAS NOT ILLUMINATING WHEN TESTED. MAINTENANCE FOUND FORWARD THE CONNECTOR PLUG ON FORWARD LAV PCB LOOSE. MAINTENANCE ATTACHED THE CONNECTOR IAW AMM AND OPS CHECKED GOOD.