As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2549 - EWR - FLIGHT CREW REPORTED GALLEY SMOKE DETECTOR PANEL STAYS ON WHEN BUTTON IS PUSHED. EWR MX REMOVED AND REPLACED SMOKE DETECTOR PANEL AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.