Legal analysis: one is the problem that the door is damaged due to inadequate property management, and it is necessary to handle the unit door of the property. Second, the service life of this door has passed, which belongs to natural damage. At this time, the head of the household needs to repair it himself. Because the property management company is only responsible for the normal maintenance of public areas, large-scale maintenance and replacement are paid by the maintenance fund of the householder.

Legal basis: Article 28 of the Urban Planning Law of People's Republic of China (PRC), the construction unit and the planning and architectural design unit shall be responsible for the authenticity of the sunshine impact analysis report and other materials submitted, and provide or supplement relevant materials according to the requirements of the planning administrative department. If the submitted materials are untrue, or the consequences are caused by concealing the relevant information, they shall bear their respective responsibilities. If the sunshine impact analysis report is untrue and causes losses to the construction unit, the construction unit has the right to recover from the planning and architectural design unit.