As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN PARKING AT GATE, SMOKE EMITTED FROM E/E COMPARTMENT. USED EXTERNAL FIRE EXTINGUISHER IN E/E COMPARTMENT. SMOKE WAS COMING FROM BATTERIES. REPLACED BOTH SHIP BATTERIES AND BATTERY CHARGER. CHECKED FOR ANY SIGNS OF WIRING DAMAGE AROUND BATTERY AREA, NONE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)