Audits of AI systems looked at predictive algorithms in the criminal justice system; discrimination by ride-hailing platforms; and city-level social services — and had real impact. You too can lead audits of AI systems affecting your own communities. Together we can hold these systems accountable for equitable outcomes in the real world. This TICTeC 2025 presentation by the team at the Civic Tech Field Guide, provides details of these audits of real-world AI systems.