As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN CREW INITIAL POWER UP OF COCKPIT AN ACRID AND WHITE SMOKE EMITTED FROM CAPTAINS SIDE FMA. C/B WAS PULLED AND SMOKE DISAPPEARED. MX CONFIRMED SOURCE OF SMOKE & ODOR WAS FROM CAPTAIN FMA PANEL. NO OTHER DAMAGE WAS NOTED. THE CAPTAINS FMA WAS REPLACED IAW AMM 22-17-00-201. FMA OPERATES NOW NORMAL AND ACFT IS OK FOR SERVICE.