Which type of failure does the term “degraded level of operation” most commonly refer to?

Prepare for the A320 General Familiarization Test with our targeted quiz. Study detailed questions with explanations to excel in your aviation career.

The term “degraded level of operation” most commonly refers to a secondary failure. In the context of aircraft systems, including the A320, a secondary failure typically occurs when a certain component or system does not function at its full capacity but continues to operate, albeit in a limited or less effective way. This means that while the system may still be functional, it is not performing to the optimal standards required for safety or efficiency.

This degradation often arises from an initial primary fault in a system, which can lead to a cascading effect where secondary systems or components that rely on the primary system begin to exhibit reduced functionality. Understanding this distinction is crucial, as it helps personnel to diagnose issues effectively and implement corrective measures without assuming total system failure, which would indicate a complete loss of function. Thus, recognizing a secondary failure allows for operational adjustments to maintain safety and performance during flight.

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