On December 25, the South Korean Nuclear Energy Safety Committee revealed that a joint investigation team of civilian officials uncovered forged test certificates used in nuclear power plants during an audit of quality inspection documents. This time, 74 parts across six different categories were found to be falsified. These components were supplied to Units 5 and 6 of the Lingguang Nuclear Power Station. Among them, 40 rubber gaskets—used to seal the seawater cutoff valve of the cooling water heat exchanger—had already been installed in the plant. The safety committee warned that if these gaskets failed, it could lead to a release of nuclear radiation.
The report, issued on December 19, highlighted that a total of 694 parts across 12 categories had been found with falsified test certifications. These parts were supplied to Units 5 and 6 of the plant. Earlier, on November 5, similar issues were discovered in the same units, leading to their shutdown for part replacement. Now, the plant is undergoing a full replacement process.
In response to the latest findings, the civil servants’ joint investigation team has joined the replacement efforts. They are conducting a thorough review of all related work to ensure the safety and integrity of the operations. The incident has raised serious concerns about the quality control and regulatory oversight in the nuclear sector. Authorities have emphasized the need for strict compliance with safety standards to prevent any potential risks to public health and the environment. The situation remains under close monitoring as further investigations continue.
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