As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW WAS DECENDING AND NOTICED SMOKE COMING FROM COPILOT TCAS/IVS INDICATOR. CARRIED OUT OXYGEN DRILL, PULLED CIRCUIT BREAKER AND LANDED THE ACFT. AIRCRAFT INSPECTED AND NO DAMAGE WAS FOUND WITH THE WIRING. REPLACED TCAS/IVS INDICATOR.