What was found
ORD FLT 5978 THE CREW REPORTED THE LAV SMOKE DETECTOR WOULD NOT TEST. MAINTENANCE REPLACED THE LAV SMOKE DETECTOR AND OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 5978 THE CREW REPORTED THE LAV SMOKE DETECTOR WOULD NOT TEST. MAINTENANCE REPLACED THE LAV SMOKE DETECTOR AND OPERATIONAL CHECKS WERE GOOD.