As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKE OFF ABORTED DUE TO AVIONICS SMOKE CAUTION COMING ON. AVIONICS SMOKE WENT OUT AFTER TWO SECONDS. MAINTENANCE DEFERRED AVIONIC SMOKE DETECTION SYSTEM PER MEL 26-13-3(B). FROM DMR AVIONIC SMOKE CAUTION LIGHT CAME ON AFTER TO. MAINTENANCE REPLACED AVIONICS SMOKE DETECTOR IAW MM. OPS CHECK GOOD. REINSTALLED AVIONICS RACK DOOR AS REQUIRED. ALL CHECKS GOOD. REMOVED FROM DMR, MXC NOTIFIED.