As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR IN COCKPIT FOLLOWED BY A SMALL PUFF OF SMOKE FROM FWD CTR RT OF GLARESHIELD TOP. ALL ACFT SYS APPEARED NORMAL WITH NO WARNING/ CAUTION LIGHTS. ODOR AND SMOKE DIMINISHED WHEN OUTSIDE AIR VENT KNOB WAS PULLED. SUSPECT FAULTY CLOCK BACKLIGHTING WIRING.