As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF FROM IND, AT 50' FEET ROTATE MIN EQUIPMENT BAY SMOKE CAME ON. CHECKED THE SNIFFER FAN, DECLARED EMERGENCY AND CAME BACK AND LANDED. THE ECAM ALERT WENT AWAY ON TURN TO FINAL. NO ODOR WAS NOTED IN FWD EQUIPMENT BAY OR ANY OF THE LISTED COMPONENTS. CHECKED ALL AREAS FOR WATER. NONE FOUND. INSTALLED NEW MIN EQUIP BAY SMOKE DETECTOR 12WA PER MM 26-15-12-4 AND CHECKED GOOD PER MM 26-15-00-5. OK FOR SERVICE.