As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START OF NR 2 ENG F/O NOTICED SMOKE COMING FROM AROUND F/O'S INST PANEL AND BELOW. CREW SHUT DOWN ENG'S AND EVAC A/C TURNED ON COCKPIT LIGHTING. POWERED UP ALL COCKPIT INSTRUMENTS. COULD NOT LOCATE ANY SHORTED WIRING OR BURNED LIGHTING BALLAST. ALL SYSTEM APPEAR TO OPERATE NORMALLY. A/C OK FOR CONTINUED SERVICE.