What does aircraft structural inspection primarily focus on?

Aircraft structural inspection is a critical aspect of aviation maintenance that prioritizes the evaluation of the integrity of the aircraft's body and wings. This process involves thoroughly assessing components to ensure they are free from defects, corrosion, fatigue, or damage that could affect the safety and performance of the aircraft.

The structural integrity of the aircraft is essential for maintaining airworthiness, as the arms of the wings and fuselage are designed to withstand various stresses during flight. Inspectors look for signs of structural weakness that might compromise safety, ensuring that the airframe can endure operational loads.

In contrast, other options, such as checking passenger cabin amenities, examining external aesthetics, or monitoring inflight entertainment systems, do not directly contribute to the overall safety and structural integrity of the aircraft. These tasks focus more on comfort, appearance, and entertainment features rather than the essential functional aspects of the airframe that are vital to safe flight operations. This distinction highlights the importance of structural inspections in maintaining the aircraft's overall safety and durability.