What category does the drive shaft fall into under CFR inspection requirements?

The drive shaft falls under the category of systems subject to the manufacturer's maintenance manual. This is because the drive shaft is a critical component in transmitting power from the engine to the propeller or wheels, depending on the type of aircraft. The maintenance of such a system relies heavily on the guidelines provided by the manufacturer, who offers specific instructions on inspection intervals, procedures, and required parts to ensure the safe operation of the aircraft.

Furthermore, since the drive shaft plays a significant role in the aircraft's overall performance and safety, its maintenance is crucial to prevent failure and ensure reliability. The manufacturer's maintenance manual will typically provide specifics on how to inspect the drive shaft, including details on wear and tear, torque specifications, and any recommended replacement intervals. This highlights the importance of adhering to the manufacturer's guidelines to maintain compliance with CFR inspection requirements and ensure aviation safety standards are met.