What was found
DURING GEAR RETRACTION, RT MLG RETRACTED NORMALLY WHILE NOSE & LT MLG REMAINED DOWN & LOCKED. RED UNLOCK LIGHT REMAINED ON ALONG WITH GREEN LOCKED NOSE & LT MLG LIGHTS. IAW CHECKLIST DIRECTIONS, GEAR HANDLE WAS SELECTED DOWN & RT GEAR EXTENDED & RED UNLOCK LIGHT EXTINGUISHED. LANDING WAS NORMAL & WAS ACCOMPLISHED BELOW MAX LANDING WEIGHT. REMOVED AND REPLACED NOSE GEAR SQUAT SWITCH TARGET CAM AND BUSHING IAW MM 32-20-02. OPS CHECKED GOOD.