As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TAXIING CREW NOTICED AVIONICS SMOKE LIGHT. CREW RETURNED TO GATE AND MECHANICS WERE ABLE TO CORRECT THE ISSUE. REMOVED AND REPLACED AVIONICS SMOKE DETECTOR IAW SAMM 26-13-05. OPS CHECK GOOD. P/N OFF/ON 72-111211-000, S/N OFF A2458 S/N ON A4225.