Trombone repair involves fixing various issues that can affect the instrument's performance. Common problems include dents, stuck slides, and leaks in the tubing. Technicians often use specialized tools to straighten bent parts and ensure smooth movement of the slide. Regular maintenance, such as cleaning and lubrication, is also essential for keeping a trombone in good condition. Repair services may include replacing worn-out parts, adjusting the tuning slide, and polishing the instrument to restore its appearance. Proper care can extend the life of a trombone and enhance its sound quality.