What was found
DURING APPROACH, ALL 3 LANDING GEAR INDICATIONS RED, UNSAFE LIGHTS ILLUMINATED. RAN CHECKLIST, EMERGENCY EXTENDED THE LANDING GEAR DOORS. ALL LANDING GEAR DOOR INDICATIONS GREEN. TAXIED SAFELY AT GATE. REPLACED THE LANDING GEAR LEVER SWITCH S1-89. PERFORMED GEAR SWING. ALL INDICATIONS AND OPERATIONS NORMAL. REPLACED THE RT MLG PAD AND SPACER FOR WEAR AND MISSING LT MLG PAD AND SPACER.