Explain the procedure to follow when discovering undocumented damage on an aircraft during a pre-departure walk-around inspection?

When discovering undocumented damage on an aircraft during a pre-departure walk-around inspection, a specific procedure must be followed to ensure flight safety. First, immediately notify the flight crew of the damage. Provide them with a clear and concise description of the damage, including its location, size, and nature. Do not attempt to assess the severity of the damage yourself; that is the responsibility of qualified maintenance personnel. Next, document the damage thoroughly. Take photographs of the damage from multiple angles, ....