Aircraft maintenance is the process of inspecting, repairing, and servicing airplanes to make sure they are safe and work properly.Key points:It includes checking engines, controls, tires, brakes, and electronics regularly.Maintenance can be routine (scheduled checks) or unscheduled (fixing problems found during flights).Technicians follow strict rules and manuals from aircraft makers and aviation authorities.Good maintenance prevents accidents and keeps flights safe and on time.Aircraft maintenance is very important because even small issues can affect safety and performance.