What type of documentation must be completed for every powerplant inspection?

The completion of a maintenance log for every powerplant inspection is critical as it serves as a formal record of all work conducted, including inspections, repairs, and maintenance activities. This documentation provides a comprehensive history of the aircraft's maintenance and is essential for tracking compliance with regulatory requirements and ensuring airworthiness.

The maintenance log contributes to establishing accountability and transparency in the maintenance process, allowing for future reference by maintenance personnel, inspections, and any regulatory authorities. It helps in the assessment of the aircraft's condition and can provide vital information that may impact operational safety.

While flight logs detail the operational history of the aircraft, and technical manuals provide specifics about the powerplant systems and components, the maintenance log is specifically focused on the maintenance aspect, making it the most relevant documentation required after each powerplant inspection. An inspection checklist is typically used during the inspection process but is not meant to serve as a permanent record of the inspection itself.