The evaporator leaked because the owner never change the filter, so the dust and dirt went into the evaporator and it rusted after some days, then leaked. The filter must be changed at least once a year, or even twice a year in hot area.
* you should not use fast forward because professional man must show clearly , slowly , and even music is no need to mix it ! * Actually you want to show the world but your Video very fast forward + music , how can everyone see the details ? , please show it slowly !