As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST AFTER T/O HAD AVIONICS SMOKE WARNING ON ECAM AND OVERHEAD. NO ODOR OR SIGN OF SMOKE. DECLARED EMERGENCY. RETURNED TO KABQ LANDING WT APPROX 209,000 NR, BELOW MAX LANDING WEIGHT. CHECKED AVIONICS COMPT FOR EVIDENCE OF SMOKE. DUE TO NO EVIDENCE OF SMOKE IN COCKPIT OR AVIONICS COMPT SUSPECT INTERMITTENT DETECTOR 11WA. REPLACED 11WA , NOT TESTING AND 12WA PRECAUTIONARY.