As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3909 THE CREW REPORTED WHEN BATTERY POWER WAS ESTABLISHED ON AIRCRAFT THE FIRST OFFICERS YOKE CHART HOLDER STARTED SMOKING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FIRST OFFICERS YOKE CHART HOLDER IAW EMB 145 AMM 25-12-11. THE OPERATIONAL CHECK WAS GOOD IAW EMB 145 AMM 33-11-00. THE AIRCRAFT WAS RETURNED TO SERVICE.