Life limited parts that should be included in the aircraft maintenance record except for which?

The correct answer is determined by understanding the nature of life-limited parts in aviation maintenance. Life-limited parts are components that have a specified lifespan, which is defined by the manufacturer based on the number of cycles or hours of operation. These parts require careful tracking and exact record-keeping to ensure safety and compliance with aviation regulations.

In this context, the airframe, which encompasses the overall structural framework of the aircraft, is not considered a life-limited part in the same way that specific components like fuselage sections or flight surfaces may be. The fuselage itself, being an integral part of the airframe, is categorized differently based on its overall design and operational capabilities.

In contrast, parts like the propeller and ribs are specific elements that can be subject to wear and fatigue over time, and thus they are tracked closely for their operational limits. Therefore, the airframe, as a broader assembly, does not have the same life-limited classification as the more specific components like the propeller and ribs, which directly contribute to flight safety and performance.

This distinction clarifies why airframe records may differ from those of life-limited parts, leading to the conclusion that it is not part of the life-limited category.