The product was returned on 2023-09-07.The investigation of the product was completed on 2023-11-29.The evaluation of the product revealed that the articles in question were repaired by a third party.It is therefore very likely that the external company did not fulfill karl storz's quality requirements.At the distal end, the shaft of two articles was most likely machined too much, so that the wall of the tube was too thin and the connection between the ceramic beak and the tube was no longer given.On the third shank there is no recognizable glue residue, which has resulted in the ceramic beak having no connection to the shank.The missing connection between the ceramic beak and the shank, caused the ceramic to fall off.As described in the ifu that the articles needs to be checked for intactness before use, these damages should have been noticed, therefore, apart from the external repair, a user error is not excluded.The event is filed under internal karl storz complaint id: (b)(4).
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