Mobius mobility investigation: device was returned to mobius mobility.Black box and event logs were retrieved, and the device electronics and systems were functioning as expected.The data was consistent with loss of control of the ibot while descending the stairs.The attendant handle had been removed for transit in a small car, and it was not fully and properly reinstalled with all the required parts.This would make it possible for the attendant handle to slide out if it was not latched in place.Images of the device just prior to the incident show that the handle was not in a latched position.The lack of correct installation and the handle not being in the latched position for stair climbing resulted in the handle detachment.
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