As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - CLIMBING TO FL 180 AVIONICS SMOKE ON ECAM. PERFORMED CHECKLIST. AVIONICS WARNING WENT OUT 10 MINUTES AFTER CHECKLIST WAS PERFORMED. R & R DETECTOR SMOKE SELF CONTROLLED (AVIONICS BAY) IAW AMM 26-15-12-04. OPS CK AND LK CK OK. ACFT RETURNED TO SERVICE.