What is the number one cause of landing gear failure?

The Silent Threat: Preventable Landing Gear Failures

Landing gear malfunctions, a frequent source of aviation incidents, often stem from preventable mechanical issues. While complex systems and unforeseen circumstances can contribute to failures, the single most significant factor is a lack of proper maintenance and the associated risks. This isn’t a case of unpredictable catastrophes; instead, it’s a systemic issue of negligence that can be addressed through proactive measures.

The number one cause of landing gear failure is inadequate maintenance, encompassing a broad spectrum of shortcomings. This includes insufficient inspection schedules, neglecting routine lubrication and adjustments, and allowing components to operate beyond their specified lifespan. Components, like hydraulic systems, actuators, and control mechanisms, gradually wear and tear, often showing subtle signs of deterioration that are easily overlooked without careful monitoring.

Substandard repairs further compound the problem. While quick fixes might appear cost-effective, they frequently lead to hidden structural damage and compromise the integrity of the landing gear system. Improperly executed repairs, using incorrect or substandard parts, can have catastrophic consequences during landing. A seemingly small repair can quickly escalate into a significant and dangerous failure.

Equally critical is the continued use of components past their operational lifespan. Aircraft parts, like bearings, tires, and shock absorbers, have finite lifespans. Operating these beyond the recommended limits significantly increases the risk of failure. A component fatigued by age might exhibit gradual degradation leading to unnoticed vulnerabilities, which can suddenly manifest during a critical landing phase.

Proper rigging, encompassing alignment, tensioning, and securing procedures, is crucial in maintaining the landing gear’s structural integrity. Neglecting these crucial steps can lead to misalignment, placing undue stress on components and significantly increasing the risk of premature failure. Regular and thorough rigging checks are just as vital as routine maintenance.

Diligent upkeep, therefore, isn’t just a matter of following procedures; it’s a crucial element in safety. Comprehensive maintenance programs, encompassing stringent inspection schedules, competent repair crews, and adherence to operational lifespan guidelines, are essential to mitigate the risk of landing gear failure. Ultimately, a proactive approach to maintenance is the best defense against this silent threat that can have potentially devastating consequences. The industry needs to recognize the critical importance of preventative measures in the crucial role of landing gear to ensure the safety of flight operations.