FAA Ground School Practice Test

The requirement for a work description and approval signature to accompany the approval of preventative maintenance by a pilot is rooted in the standards of record-keeping and accountability as outlined by the FAA's regulations. When a pilot performs preventative maintenance, it is essential to document what work has been completed, providing a clear and concise description of the maintenance activities. This ensures there is a formal record of the tasks performed for future reference.

Additionally, an approval signature serves as a verification of the work done, confirming that it meets the necessary safety and regulatory standards. This documentation is not only critical for the ongoing airworthiness of the aircraft but also serves as protection for the pilot by providing proof that the maintenance was properly authorized and executed.

In contrast, while a maintenance log with previous repairs, a visual inspection certification, or a recommended service bulletin may be important in other contexts, they do not specifically meet the regulatory requirements for documenting the approval of preventative maintenance by a pilot. Therefore, the work description and approval signature are the essential components required to ensure compliance with FAA standards.