Performed a 3 out of 4 system maintenance due to RTU2 DISCONNECT still being bad. Checked over all electrical, mechanical and safety components. Washed coils and changed filters. Found that RTU1 has a bad 10/10 dual capacitor for fan motors. RTU2 had a bad three phase disconnect and contactor is pitted for comp 1. RTU3 has a pitted contactor for comp 1 as well. Called Kelly but couldn’t get ahold of her, left message and sent estimate over to make repairs.