1. The judgment of the court of first instance, including the Defendant-Counterclaim Claim expanded from the trial, is as follows.

1. Basic facts

A. The Defendant is a management body comprised of sectional owners of Btel underground and 17th floor aggregate buildings (hereinafter “instant building”). On November 26, 2007, the Plaintiff entered into a lease agreement on the instant building 1601 and 1701 (hereinafter “each of the instant units”) with D and D, the owner of which was delegated with the disposal authority at the time of November 26, 2007, based on the Act on the Ownership and Management of Aggregate Buildings, and acquired the ownership of each of the units of this case from January 1, 2008 to September 26, 201.

B. 1) The defendant is the managing body of the building of this case where five elevator units (one to five elevator units) are installed. The defendant suspended the operation of the elevator unit of this case. Among the remaining four elevator units, the first floor from the second floor to the eightth floor above the ground in the case of one elevator unit, (2) in the case of two elevator units, the second floor from the ground, the fourth floor, the fourth floor, the fourth floor, the fourth floor, the 10, the 12, the 14 and the 16th floor, the third floor from the underground, the first floor, the third floor, the 1, the 7, the 11, the 15th floor, the 15th floor, the 16th floor from the time of the lease of the elevator unit of this case, and the fourth floor from the time of the operation of the elevator unit of this case to the fourth floor of each of the above 6th floor from the time of the execution of the elevator unit of this case.