As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD LAV A FIRE ALARM WENT OFF IN CRUISE FOR 2 -3 MINUTES. NO SMOKE/FIRE INDICATIONS. STOPPED. VERIFIED NO INDICATIONS OF FIRE ON LAV A TRASH WAHL TEMP PLATE RECORDER. REPLACED SMOKE DETECTOR PER AMM 26-14-01-400-801-003 INSTALLATION SEL TEST PASSED PARTS USED: 60-2500-3-0009,QTY :1