What was found
ON FINAL, COCKPIT SMELLED LIKE ELECTRICAL BURNING. TURNED RADAR OFF, HELPED SOMEWHAT. VERIFIED ELECTRICAL BURNING SMELL CAME FROM NOSE TAXI LIGHT SWITCH. REPLACED SWITCH IAW DC-9 WDM 33-41-01, FOR PRECAUTIONARY. CHECKED TRANSFORMER RECTIFIERS, WINDOW HEAT, FLUORESCENT LIGHT BALLAST, ANNUNCIATOR PANEL ASSEMBLY, OVERHEAD PANEL, AND E & E COMPARTMENT. NO DISCREPANCIES NOTED. NO BURNING ODOR NOTED.