Arrived to do a performance maintenance. Started inspection outside and verified operation of all mechanical and electronic components of the condenser. Found that the capacitor is performing right on the cusp of it allowed variance. Verified system refrigerant charge. Found that the refrigerant readings are skewed by how dirty the coil is. Moved inspection inside and measured a temperature split between return and supply air. Measured power consumption of the blower motor and checked system for cleanliness. Performed a static pressure test and found that the system was operating beyond the rated maximum static pressure. With homeowners approval reached out to the office to schedule a supervisor visit. The supervisor will be able to diagnose the systems high static pressure. Performed a camera inspection of the evaporator coil and heat exchanger and found that the heat exchanger is cracked. This can allow carbon monoxide into the airstream in the home. The supervisor will be able to pr