Flight Crew Air Transport Pilot (ATP)
Situational Awareness
Aircraft Equipment Problem Critical; Inflight Event / Encounter Other / Unknown
Flight Crew Returned To Departure Airport; General Declared Emergency; General Maintenance Action
Aircraft
After takeoff; when 'Gear Up' was selected; the left Main Landing Gear (MLG) indicated an unsafe 'Up' position. The appropriate check was executed; which also concluded that the left Main Gear Door was in an unsafe position. We advised ATC; declared an emergency; and contacted Flight Control for an aircraft return to ZZZZ. The landing was uneventful. After landing; the mechanics found a broken bracket on the [Main] Gear door; had been the cause of the problem. EFIS; FMS/FMC.
An MD-11 Captain reports that after takeoff; when 'Gear Up' was selected; the left Main Landing Gear (MLG) indicated an unsafe 'Up' position. Emergency declared; aircraft returned to field.