What was found
FLIGHT CREW REPORTED AFTER LANDING NOTICED A SMALL PLUME OF SMOKE ORIGINATING AT THE LANDING LIGHT SWITCH AREA OF THE GLARE SHIELD. SMOKE CONTINUED WITH SWITCH OFF AND STOPPED WHEN CIRCUIT BREAKERS PULLED. MAINTENANCE DEPARTMENT PERSONNEL FOUND INSULATOR BETWEEN RT LANDING LIGHT SWITCH AND NOSE LIGHT SWITCH CHAFED. REPAIRED INSULATOR IAW SRM 51-70-01. OPS CHECK GOOD AND RETURN AIRCRAFT TO SERVICE.