What was found
LANDING GEAR LEVER DISAGREE IN UP POSITION. NOSE AND RT SHOWED NORMAL POSITION, LT MLG SHOWED ONLY POSITION DASHED BOX. CYCLED GEAR IAW QRH, ALL THREE SHOWED NORMAL DOWN AND LOCKED POSITION. IAW QRH, AFTER TWO FAILED ATTEMPTS TO RETRACT GEAR, LT GEAR DOWN AND LOCKED AND RETURNED TO FIELD. ATC DECLARED EMERGENCY. LANDED WITHOUT INCIDENT.