What was found
YAW DAMPENER LIGHT BULB FELL OUT OF SOCKET. SHORTED OUT TO GROUND. SMOKE CAME INTO COCKPIT. RETURNED TO GATE. YAW DAMPENER LIGHT BULB REMOVED FROM DEFECTIVE SOCKET AND MEL'D. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YAW DAMPENER LIGHT BULB FELL OUT OF SOCKET. SHORTED OUT TO GROUND. SMOKE CAME INTO COCKPIT. RETURNED TO GATE. YAW DAMPENER LIGHT BULB REMOVED FROM DEFECTIVE SOCKET AND MEL'D. (X)