Documentation that records the procedures and findings of a specific non-destructive examination method designed to detect surface-breaking flaws in materials is crucial. This documentation typically includes details such as the material inspected, the penetrant and developer used, the process parameters (dwell times, temperatures), and a detailed description of any indications found, their location, size, and nature. An example would be a document specifying that a steel casting was inspected using a Type 2, Method A penetrant process, with a 10-minute dwell time, and revealed a 2mm linear indication near a weld.
Such standardized records are critical for quality control, ensuring traceability and compliance with industry standards and regulatory requirements. These documents provide objective evidence of the integrity of inspected components, which is essential for safety-critical applications and helps prevent costly failures. The historical context of these reports stems from the increasing demand for reliable non-destructive testing methods throughout the 20th century, particularly in industries like aerospace and nuclear power, which emphasized rigorous inspection and detailed record-keeping.