As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR CAUSED SMOKE IN THE COCKPIT. SHUT-OFF NR 2 POCK AND SMOKE CLEARED. GROUND RAN ENGINES AT IDLE AND ABOVE TO CLEAN OIL FROM BLEED AIR SYSTEM. CHECKED THE HX FAN FOR OPERATION, NO SMOKE SMELL NOTED. AIRCRAFT WAS RETURNED TO SERVICE.