Which type of deficiency is caused by errors in workmanship?

The type of deficiency caused by errors in workmanship is classified as a quality deficiency. Quality deficiencies arise when the assembly, installation, or manufacturing processes do not adhere to the established standards and specifications, resulting in unacceptable performance or safety issues in the final product. These errors can occur due to improper techniques, insufficient training, or lack of attention to detail during production or maintenance.

In contrast, material deficiencies involve issues related to the quality or suitability of the materials used, such as defects in raw materials or components. Design deficiencies pertain to flaws in the design itself, where the specifications do not adequately account for operational requirements. Maintenance deficiencies occur when there is a failure to properly maintain equipment or systems, leading to malfunctions or degradation over time. Understanding the distinction between these types of deficiencies is crucial for effective quality control and ensuring the reliability and safety of aircraft armament systems.