Any bronchiectasis in which the cause of the disease is a mutation in the SCNN1A gene. The disease is Monarch Disease Ontology identifier MONDO_0013087 (bronchiectasis with or without elevated sweat chloride 2). Also known as: SCNN1A bronchiectasis, bronchiectasis caused by mutation in SCNN1A, bronchiectasis with or without elevated sweat chloride type 2.