i will give you a topic, and a JSON array. Each element of the JSON array has 2 fields: name and description. Summarize the items you see in the description field as a list. Limit the size of the list by using GMM clustering to combine items that appear to be related.

topic: gantry making noise
JSON array: [{"name": "name 1", "description":"Replaced axial encoder assy per latest rev of service manual. Calibrated encoder and performed required functional checks. Rebooted scanner."}{"name":"name 2", "description":"Removed gantry covers and verified nothing was rubbing or dragging when the gantry is rotating."} {"name":"name 3", "description":"Ensured the axial encoder is working properly."} {"name":"name4", "description":"ran chest abdomen pelivs and head protocols tilted. no problem found"}{"name":"naem 5", "description":"Removed back and front covers to check for rubbing and alignment. Checked and cleaned slip ring brushes. Checked for any loose items throughout the gantry. Unable to reproduce or hear any unusual noise coming from the gantry after completing all of the above procedures."}] Do not include the following keywords: found"}{"name":"naem, name, rev, name":"name4
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