This podcast from Aviation Maintenance Magazine focuses on the repair and overhaul of auxiliary power units (APUs) in commercial aircraft. It explores the requirements of airline operators for APU maintenance, highlighting the need for reliability and efficient scheduling to minimize downtime. The podcast also examines the peculiarities of APU repair, contrasting it with the maintenance of propulsion engines, and outlines the benefits of both preventive and predictive maintenance, including the use of data analytics and maintenance programs to ensure smooth operations and reduce costs for operators.