What action is taken if an air leak is detected during preflight checks?

When an air leak is detected during preflight checks, the appropriate action is to report it for immediate maintenance. This is crucial because any air leak can compromise the safety and performance of the aircraft. Identifying and addressing such issues before flight ensures that the aircraft operates within safe parameters, minimizing the risk of in-flight emergencies related to pressure or structural integrity.

Attempting to seal leaks with tape is not advisable as it does not adequately address the underlying problem and could lead to further complications. Ignoring the leak if the pressure seems adequate poses a significant risk, as the situation could change during flight, potentially leading to dangerous scenarios. Finally, proceeding with normal checks without addressing the leak is not safe and is contrary to standard operating procedures which prioritize the safety and readiness of the aircraft before takeoff. Ensuring all reported issues are fully assessed by maintenance personnel is key to maintaining safety standards in aviation.