Arrived to water and lack of cooling Crawled around for an hour checking roof seams with a water sprayer, Identified leak in roof, video attached Checked system, diagnostics photo attached. RTU #1 is slightly low on refrigerant ( 2-3 lbs ) not to the point where it is effecting the ability of the system to cool. Thermostats in building are reporting a desired AC temp of 73. Both systems are maintaining 73* with duct temps reporting 69 and 71.