Eddy current testing (ECT) uses electromagnetic induction to detect flaws in conductive materials. A component is taken off line than a conductive wire is inserted into the pipe. Alternating current is sent through and changes in magnetic fields indicative pipe defects
See also
wikipedia:Eddy-current testing
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RA-23-0218, Review Request for the Aging Management Program and Inspection Plan for the Shearon Harris Nuclear Power Plant, Unit 1, Reactor Vessel Internals | 21 September 2023 | Harris | Review Request for the Aging Management Program and Inspection Plan for the Shearon Harris Nuclear Power Plant, Unit 1, Reactor Vessel Internals | IR 05000413/2023002 | 25 July 2023 | Catawba | Integrated Inspection Report 05000413/2023002 and 05000414/2023002 | IR 05000269/2023001 | 12 May 2023 | Oconee | Integrated Inspection Report 05000269/2023001 and 05000270/2023001 and 05000287/2023001 | ML22349A145 | 19 December 2022 | Oconee | Non-Proprietary Safety Evaluation Related to the SLRA of Oconee Nuclear Station, Units 1, 2, and 3 | IR 05000324/2022003 | 7 November 2022 | Brunswick | Integrated Inspection Report 05000324/2022003 and 05000325/2022003 | RA-22-0124, Subsequent License Renewal Application Responses to NRC Request for Additional Information Set 4 | 22 April 2022 | Oconee | Subsequent License Renewal Application Responses to NRC Request for Additional Information Set 4 | IR 05000269/2021004 | 14 February 2022 | Oconee | Integrated Inspection Report 05000269/2021004 and 05000270/2021004 and 05000287/2021004 and Apparent Violation | RA-22-0036, Responses to NRC Request for Additional Information Set 2 | 14 February 2022 | Oconee | Responses to NRC Request for Additional Information Set 2 | RA-22-0017, Supplement to Application to Revise Technical Specifications to Adopt TSTF-577, Revised Frequencies for Steam Generator Tube Inspections | 6 January 2022 | Robinson | Supplement to Application to Revise Technical Specifications to Adopt TSTF-577, Revised Frequencies for Steam Generator Tube Inspections | ML21336A142 | 7 December 2021 | Catawba | December 7, 2021, Pre-submittal Presentation Slides Regarding Embedded Flaw Repair Relief Request - Revised |
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