As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT WAS FLYING FROM BED TO BDL AND STARTED GETTING SMOKE IN COCKPIT. PILOT DECLARED AN EMERGENCY AND LANDED SAFELY IN BDL. MAINTENANCE REPLACED DEFECTIVE LT ALTERNATOR CIRCUIT BREAKER SWITCH, RUN AND OPERATIONAL CHECK NORMAL. NO DEFECTS NOTED.