As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAW FLIGHT 2703 DURING CRUISE THE CREW REPORTED A LAV SMOKE INDICATION ON EICAS. THE ACFT RETURNED TO IAW WHERE IT LANDED WITHOUT INCIDENT. MX INSPECTED THE ACFT WITH NO EVIDENCE OF SMOKE FOUND, R&R THE LAV SMOKE DETECTOR. OPS CHECKED WITH NO DEFECTS AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.