For more difficult damages, predefined repairing instructions may not be sufficient due to the fact that the cause of the damage is not clear. In this case expert knowledge is necessary. A remote support system can solve this issue. [3] describes an application tool which addresses this field of research. The authors suggest an approach how a maintenance expert sitting in his office accomplishes technical support to a maintenance operator on-site. The expert has a graphical interface with several elements for creating AR based instructions (e.g. highlighting components or marking dangerous zones).