What was found
ORD FLT 9872 THE CREW REPORTED A LAV SMOKE WARNING AFTER TAKEOFF AND LANDING. THE AIRCRAFT RETURNED TO ORD WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LAV SMOKE DETECTOR PANEL. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 9872 THE CREW REPORTED A LAV SMOKE WARNING AFTER TAKEOFF AND LANDING. THE AIRCRAFT RETURNED TO ORD WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LAV SMOKE DETECTOR PANEL. OPERATIONAL CHECKS WERE GOOD.