What was found
WHILE AT GATE, F/A REPORTED ELECTRICAL BURNING ODOR IN FIRST CLASS CABIN. NO VISIBLE SMOKE. TURNED OFF SEAT POWER, GALLEY POWER, AND CABIN LIGHTS. ODOR DISSIPATED. TROUBLESHOT. FOUND FORWARD LAV OCCUPIED LIGHTS C/B POPPED. INSPECTED AND FOUND FORWARD OCC LIGHTS MICRO SWITCH DEFECTIVE. TIME LIMITED REPAIR IAW ERA 543946-14.