How should discrepancies between VT and another NDT method be handled?

• A. Disregard VT results if another method disagrees.
• B. Review procedure, perform additional testing, and escalate to Level II for a decision; rely on documented criteria and traceability.
• C. Change VT results to match the other method.
• D. Immediately issue a non-conformance without verification.

Answer: (B)

When VT results don’t agree with another NDT method, you should follow the established procedure: review the procedure, perform additional testing, and escalate to Level II for a formal decision, using the documented criteria and maintaining traceability. This approach ensures that conclusions come from validated criteria and that the inspection history is auditable. Involving Level II brings in an experienced reviewer to interpret the discrepancy and determine the appropriate next steps. Additional testing helps pinpoint whether the difference stems from technique, surface condition, lighting or viewing angle, equipment, or other factors, and prevents making a hasty, unsupported call. Disregarding VT results, altering VT to match another method, or issuing a non-conformance without verification undermines reliability and the integrity of the inspection process.