What should be inspected regarding the threaded rod ends during a 100-hour airplane inspection?

The amount of thread engagement is critical during inspections of threaded rod ends in aircraft. Proper thread engagement ensures that the rod is securely fastened and can effectively bear loads without loosening over time. Insufficient engagement can lead to failure under stress, which could pose serious safety risks.

When conducting a thorough inspection, technicians will look at how much of the threaded portion is engaged within the corresponding nut or component. The engagement must meet specified standards to guarantee the structural integrity of the assembly and to avoid risks associated with loose connections or potential failures in flight.

While evaluating other aspects, such as the overall length, surface wear, or material strength, can be important in a broader maintenance context, the immediate safety implications of inadequate thread engagement highlight its critical nature during these inspections.