Who determines if a test strip of fabric must be cut from the aircraft structure during inspections?

The determination of whether a test strip of fabric must be cut from the aircraft structure during inspections is typically the responsibility of an Inspection Authorization (IA) based on their knowledge and experience. An IA holds a higher level of certification, allowing them to approve maintenance and alterations, and they have the necessary training to make critical decisions regarding the safety and integrity of the aircraft.

The experience and expertise of an IA enable them to assess the condition of the fabric covering effectively and decide if the fabric inspection requires invasive measures, such as cutting a test strip. This decision is crucial for ensuring the aircraft meets safety standards and that any underlying issues can be properly addressed.

Additionally, while a licensed mechanic has the skills to carry out many maintenance tasks, the IA's role is specifically designated for more complex or critical inspections, which includes determining the need for cutting into the fabric. The manufacturer can provide guidance on standards and procedures, but they do not directly make inspections on individual aircraft. The aircraft owner may have input or preferences, but they do not have the authority to enforce inspection procedures.