An elevator system, comprising: an elevator car (103, 203, 403) within an elevator shaft; a landing within the elevator shaft, the landing having a landing door (225a, 425a); a landing door lock (208, 308, 408, 508) subject to inspection, the landing door lock (208, 308, 408, 508) having an indicator element (332, 432, 532, 632) thereon; the landing door lock (208, 308, 408, 508) including a first body (214, 314, 514) and a second body (216, 316, 516), the first body (214, 314, 514) and the second body (216, 316, 516) arranged to lock the landing door (225a, 425a), at least one of the first body (214, 314, 514) or the second body (216, 316, 516) including the indicator element (332, 432, 532, 632); one of the first body (214, 314, 514) and the second body (216, 316, 516) comprising a securing element (226, 326, 426, 526, 626), and the other of the first body (214, 314, 514) and the second body (216, 316, 516) comprising a locking element (230, 330, 430, 530, 630); the locking element (230, 430, 530, 630) releasably engaging with the securing element (226, 326, 426, 526, 626) to lock the landing door (225a, 425a); and an inspection system, configured to inspect and monitor the landing door lock (208, 308, 408, 508), comprising a detector (210, 410) located on the elevator car and arranged to detect the presence of the indicator element (332, 432, 532, 632) in a detection region (434, 634) such that when the indicator element (332, 432, 532, 632) is detected within the detection region (434, 634), a notification regarding a state of operation of the landing door lock (208, 308, 408, 508) is generated, characterized in that the indicator element (332, 432, 532, 632) is one of a colored paint, a textured surface, or a reflective surface on at least a portion of the locking element (230, 330, 430, 530, 630) that interacts with the securing element (226,326, 426, 526, 626), the indicator element being selected and arranged to be at least partially obscured or otherwise affected by the interaction and/or presence of the securing element relative to the indicator element and/or the locking element. an elevator car (103, 203, 403) within an elevator shaft; a landing within the elevator shaft, the landing having a landing door (225a, 425a); a landing door lock (208, 308, 408, 508) subject to inspection, the landing door lock (208, 308, 408, 508) having an indicator element (332, 432, 532, 632) thereon; the landing door lock (208, 308, 408, 508) including a first body (214, 314, 514) and a second body (216, 316, 516), the first body (214, 314, 514) and the second body (216, 316, 516) arranged to lock the landing door (225a, 425a), at least one of the first body (214, 314, 514) or the second body (216, 316, 516) including the indicator element (332, 432, 532, 632); one of the first body (214, 314, 514) and the second body (216, 316, 516) comprising a securing element (226, 326, 426, 526, 626), and the other of the first body (214, 314, 514) and the second body (216, 316, 516) comprising a locking element (230, 330, 430, 530, 630); the locking element (230, 430, 530, 630) releasably engaging with the securing element (226, 326, 426, 526, 626) to lock the landing door (225a, 425a); and an inspection system, configured to inspect and monitor the landing door lock (208, 308, 408, 508), comprising a detector (210, 410) located on the elevator car and arranged to detect the presence of the indicator element (332, 432, 532, 632) in a detection region (434, 634) such that when the indicator element (332, 432, 532, 632) is detected within the detection region (434, 634), a notification regarding a state of operation of the landing door lock (208, 308, 408, 508) is generated, characterized in that the indicator element (332, 432, 532, 632) is one of a colored paint, a textured surface, or a reflective surface on at least a portion of the locking element (230, 330, 430, 530, 630) that interacts with the securing element (226,326, 426, 526, 626), the indicator element being selected and arranged to be at least partially obscured or otherwise affected by the interaction and/or presence of the securing element relative to the indicator element and/or the locking element.