1. The Plaintiff:

A. Defendant M&C Co., Ltd. is jointly and severally incorporated with M&D Co., Ltd. 923,829.

Basic Facts

The plaintiff is an autonomous management body organized by the occupants to manage the A Apartment at the time of macrosa (hereinafter referred to as the "the apartment of this case") 7 to 546 households.

The major major construction is the business entity that constructed and sold the apartment of this case, and the defendant wall engineering is the company that constructed the apartment of this case under contract from the major major construction, and the defendant wall engineering is the guarantee company that concludes a warranty contract for the apartment of this case with the defendant wall engineering, the construction of the apartment of this case and issued the warranty bond of this case. The defendant wall engineering is the guarantee company that established the warranty bond contract for the apartment of this case, and the trade name was changed as of July 1, 2015 according to Article 4 of the Addenda of the Housing and Urban Fund Act (Act No. 12989, Jan. 6, 2015; hereinafter referred to as the "the defendant construction") on July 1, 2015.

The conclusion and approval of the contract for the repair of defects is to enter into each contract for the repair of defects that the defendant corporation shall pay the repair of defects within the scope of the warranty period and the guaranteed amount under the condition that the defendant corporation shall pay the warranty bond (hereinafter referred to as the "each contract for the repair of defects in this case") and each contract for the repair of defects has been issued by the defendant corporation.

BD E EF apartment in the instant case was approved for use on December 12, 2013, and the Plaintiff, an autonomous management body of the instant apartment, was organized, and the guarantee creditor of each of the instant warranty contracts, was changed to the Plaintiff.

The sectional owners of the apartment of this case moved in from the time of the approval for use.

The defendant's brick engineering that requested the occurrence of defects and repair of the apartment of this case fails to construct the part to be constructed in accordance with the design drawing, or is inconsistent with the design drawing.