As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT LEVEL OFF GOT FLAP/SLAT ELEC MESSAGE C/B P11G16 POPPED SMOKE IN COCKPIT. FOUND FLAP/SLAT ELECTRONICS UNIT HAD A TRANSFORMER THAT HAD OVERHEATED. REPLACED THE FLAP / SLAT ELECTRONICS UNIT AND TESTED PER MAINT MANUAL. OPERATED FLAPS IN ALTERNATE AND NORMAL MODES ALL CHKS OK.