As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: LAVATORY SMOKE ALARM WENT ON BRIEFLY DURING CRUISE. F/A'S REPORT INDICATION FROM AFT RIGHT LAV. NO SMOKE NOTED. EXAMINED LAV DETECTORS, OK AT THIS TIME. ACCOMPLISHED GRD SCAN AND TEST OF LAV SMOKE DETECTORS. OPS CHECK NORMAL IAW AMM 26-17-00.