What is a common symptom of a faulty electrical connection in an aircraft?

A common symptom of a faulty electrical connection in an aircraft is flickering lights or intermittent electrical power failures. This issue arises because poor or disrupted connections can lead to inconsistent power delivery to various electrical systems. As a result, systems that depend on stable electrical power may exhibit flickering or sudden drops in performance.

In aircraft, electrical systems are critical for navigation, communication, and operational control, so any fluctuation can indicate underlying electrical issues. For example, if cockpit indicators or cabin lights flicker, it typically suggests a problem that could range from bad wiring, loose connections, or failing components within the electrical distribution network.

Other symptoms, such as frequent engine stalls, excessive fuel consumption, or unusual engine noises, can arise from various mechanical problems or issues unrelated to the electrical system specifically. Hence, while they are important signs in their own right, they do not directly relate to the symptoms of faulty electrical connections as closely as flickering lights or intermittent power failures do.