As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1454 EN-ROUTE LAX - SFO. THE AIRCRAFT WAS NOT GROUNDED. INTERMITTENT LAV SMOKE OVERHEAD INDICATION. FLIGHT ATTENDANTS FOUND NO EVIDENCE OF SMOKE IN LAV. MAINTENANCE ACCOMPLISHED SMOKE DETECTOR TEST ON AFT RIGHT LAV PER AMM 26-14-00. TEST NORMAL.