What type of testing requires the use of a Maule tester?

The Maule tester is specifically designed for assessing the condition of fabric used in aircraft coverings, making it an essential tool for punch testing. This method evaluates the strength and integrity of the fabric, identifying any deterioration that may affect its performance and safety. By using the Maule tester, technicians can determine whether the fabric can withstand the required loads and stresses, ensuring that repairs or replacements are made if necessary. Given the context of aircraft maintenance and the focus on ensuring structural integrity, punch testing with a Maule tester is crucial in maintaining the safety and longevity of fabric-covered surfaces.