As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REST SMOKE ALARM SOUNDED IN FLIGHT, NO SIGNS OF SMOKE. CREW VERIFIED NO SMOKE OR FUMES AND SILENCED THE ALARM. CONTINUED TO ANC THE SCHEDULED DESTINATION. MX FOUND A BAD DETECTOR AND DEACTIVATED IT AND PLACED ON DEFERRAL NR 141651 IAW MEL 26-14-02-01-02, LP 1338218: R & R LT BULK SMOKE DETECTOR. OPS CHECK OK MM 26-14-51. DMI 141651 IS CLOSED.