Aircraft flaps play an essential role in the operation of fixed-wing aircraft, having a direct influence on lift, drag, and overall control. While highly advanced and reliable in our modern day, these flight control surfaces are subject to various environmental stressors and wear over time, making it necessary that operators follow sound maintenance strategies to uphold their performance and airworthiness. With many types of aircraft flaps on the market, of which can differ in design and complexity, it can be beneficial to have a basic understanding of common options and how they are serviced. As such, be sure to read on as we discuss these topics and equip you with the knowledge necessary to optimally secure and maintain aircraft flaps.