As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESENT; FLT ATTENDANTS SAID AFT LAV FIRE ALARM (SMOKE) CAME ON. AFTER 10 MINS W/CONTINOUS SOUND IN CABIN; NO VISUAL FIRE IN LAV; PULLED P-18-3-E-12 LAV SMOKE CB AND ALARM WENT OUT. AFTER LANDING RESET CB VIA MAINT INST AND ALARM DID NOT COME BACK ON / ACTION LP 0084435 R'D & R'D AFT LAV SMOKE DETECTOR PER AMM 26-14-01 MEL CLEARING TRACKING #37891