As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE TO ISP FROM DCA, THE BAGGAGE SMOKE DETECTOR ILLUMINATED ON AND OFF SEVERAL TIMES. THE AIRCRAFT DIVERTED INTO ACY AND LANDED WITHOUT INCIDENT. THE BAGGAGE BAY WAS INSPECTED AND NO FIRE WAS EVIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 DETECTOR AND ISSUED MEL 26-8 FOR THE NR 1. THE NR 1 WAS SUBSEQUENTLY REPLACED. AIRCRAFT RETURNED TO SERVICE. PART S/N'S 167 AND 171. (X)