2023 Spring PM 3/10/23 Cleaned C13 North, C13 South, and C12 North. Replaced belt on C13 North and left a spare in the parts room. (Emergency repairs) C23 West and Center were down. West needed a new control board. Middle had a bad control board and blower motor trying to seize up. Both systems are operating normally at this time. 3/14/23 Cleaned C11 North, C11 South, and C12 South. Replaced belt on C11 North. C11 North and South need new blower limits. C11 North also needs a new inducer motor due to the bearings beginning to fail.