As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6311 - BOS-LGA - SMOKE SEEN FROM RUNWAY TURNOFF LIGHT SWITCHES, WHEN SWITCHES PLACED TO ON POSITION. INSPECTED WIRING AT SWITCHES, FOUND ALL WIRES OK. REPLACED LEFT AND RIGHT RUNWAY TURNOFF LIGHT SWITCHES, OPERATIONAL CHECK NORMAL. (M)