A. The Plaintiff is a person engaged in a service business, such as installation and repair of air conditioners, with the trade name of D.

Plaintiff

The successor intervenor is a corporation that manages and operates the national pension business with the purpose of contributing to the stabilization of livelihood and the promotion of welfare by providing pension benefits for old age, disability or death of the people under the National Pension Act.

B. Defendant C is the owner of Yeongdeungpo-gu B apartment (hereinafter “instant apartment”) No. 110, 301, 301, 110, 301 (hereinafter “301”).

Defendant C is residing together with his spouse E in 301.

The council of occupants' representatives of defendant B Apartments (hereinafter referred to as the "council of occupants' representatives") is an autonomous management organization that consists of occupants, etc. of the apartment of this case, and manages the apartment of this case by entrusting it to the development of mountain, which

C. On August 13, 2016, the Defendant C and his spouse filed an application to the effect that the outdoor air conditioners installed in the balcony, which were installed in the 301, were installed, and that the air conditioners were installed in the balcony, and the air conditioners C and their spouses were installed outside the balcony.

Accordingly, the plaintiff et al. and one other (F) visited on August 15, 2016.

In order to resolve the inconvenience of Defendant C, etc., the Plaintiff and F should be installed in the outer balcony of the balcony, and this should be fluent and agreed to Defendant C.

The Plaintiff and F made an out-of-air string machine, installed it on the balcony rail, and later installed the out-of-air string machine on the balcony rail, and then, the Plaintiff and F made an out-of-air string machine installed it by inserting it together with F, and then put it on the balcony rail in order to put it in the above string.

As the balcony rail is separated from the apartment outer wall, the plaintiff and the F, together with the balcony rail, fell on the ground.

hereinafter referred to as the "accident of this case"

(e)in this case;