As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YSC - FLT 4219 - WHILE ON DESCENT INTO YQB, THE CREW REPORTED SMOKE IN THE COCKPIT. CREW DECLARED AN EMERGENCY AND DIVERTED INTO YSC AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED INSTRUMENT LIGHTING POWER SUPPLY. AIRCRAFT RETURNED TO SERVICE. (X)