1. In the judgment of the court of first instance, the defendant corporation, including the plaintiff's claim expanded at the trial.

1. Basic facts

A. 1) The Plaintiff is an autonomous management body that is composed of occupants for the management of 378 units of A apartment located in Gwangju-si (hereinafter “instant apartment”) in 5 units, Gwangju-si, the Plaintiff is an autonomous management body that is composed of occupants for the management of 378 units of the five apartment units. 2) The Defendant is a construction company that constructed and sells the instant apartment units, and the Defendant is a construction company that completed the new construction of an apartment by being awarded a contract for the construction of an apartment from the Defendant Yong-si, and the Defendant Construction Mutual Aid Association entered into a warranty contract for the instant apartment units as

B. On August 2, 2005, Defendant 2 and this case’s apartment construction contract was concluded with Defendant Construction Mutual Aid Association on August 2, 2005 (hereinafter “instant guarantee contract”) and deposited with the Mayor of Gyeonggi-do, which is the authority for usage inspection, after entering into the instant guarantee agreement, the guarantee creditor was determined to be changed to the relevant council of occupants’ representatives or the relevant management body. Serial number contract or the amount of security deposit for business name from July 29, 2005 to July 28, 2015; 26,70,70, 914, 2D200 to July 28, 2005; 205 to July 29, 207; 206 to July 28, 2015; 206 to July 29, 207; 205 to July 29, 2005 to July 28, 2010; and

(c)the occurrence of defects; and