What document is signed by an authorized representative of an approved maintenance organization regarding inspection, repair or modification after a Maintenance Release?

The document that is signed by an authorized representative of an approved maintenance organization regarding inspection, repair, or modification after a Maintenance Release is the Certificate of Release to Service. This document signifies that the maintenance work has been satisfactorily completed and that the aircraft or component complies with all relevant regulations and is in a condition for safe operation.

The Certificate of Release to Service acts as a formal acknowledgment that all maintenance tasks have been duly performed, and it certifies that the aircraft is safe for return to service. It encapsulates the essence of accountability in aviation maintenance practices and is crucial for ensuring that safety standards are upheld.

In the context of aviation regulations, it is important to note that this certificate provides a link between the maintenance organization and the safety of the aircraft, thus playing a key role in compliance and operational safety. Given its specific function and regulatory backing, the Certificate of Release to Service stands as the correct document in this scenario.