NDT Audit Checklist

Use this NDT Audit Checklist to assess non-destructive testing personnel, procedures, equipment, consumables, and method controls across PT, MT, RT, UT, ET, and VT.

NDT Audit Checklist



NDT Quality System And Documentation

1. A documented NDT written practice or quality procedure is in place and current


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2. The written practice defines the scope of NDT methods the facility is approved to perform


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3. NDT procedures are controlled documents with revision status and approval signatures


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4. A Level III is identified and responsible for technical oversight of the NDT program


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5. The written practice references the governing codes, standards, and customer specifications


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6. Procedures are accessible to technicians at each inspection location


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Personnel Qualification And Certification

1. All NDT personnel hold current certification for the methods and levels they perform


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2. Certification records show training hours, experience, and examination results for each method


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3. Annual near-vision and color vision tests are on file for all technicians


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4. Certification is issued under the applicable scheme required by the code or customer


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5. A current list identifies each technician's certified methods and levels


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6. Recertification dates are tracked and none have lapsed


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7. Level III qualifications are documented and current


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NDT Procedures And Techniques

1. Each method has a written procedure approved by a Level III


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2. Procedures are qualified or validated before use on production parts


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3. Technique sheets specify parameters, coverage, and scan plans for the part inspected


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4. Acceptance and rejection criteria match the governing code or specification


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5. Procedure deviations are documented, justified, and approved before use


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6. Procedures are reviewed and updated when codes or customer requirements change


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Equipment And Instrument Control

1. All NDT equipment requiring calibration has current calibration records


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2. Calibration is traceable to recognized reference standards


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3. System performance checks are completed at the required intervals before use


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4. Each instrument is uniquely identified and labeled with calibration status


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5. Equipment found out of calibration is removed from service and results are reviewed


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6. A maintenance schedule exists and is followed for NDT equipment


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Consumables And Reference Standards

1. Penetrants, developers, couplants, and other consumables are within their expiry dates


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2. Batch certificates are on file for consumables affecting inspection sensitivity


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3. Reference blocks and standards are identified, controlled, and within calibration


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4. Consumable batch changes are recorded with verification of performance


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5. Incompatible or restricted consumables are segregated and labeled


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6. Radiographic film and processing chemistry are within shelf life (RT only)


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Reporting, Records, And Traceability

1. NDT reports identify the part, procedure, technique, and acceptance criteria used


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2. Each report records the result, the technician, and the certification level


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3. Reports are reviewed and accepted by authorized personnel before release


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4. Inspection results are traceable to the specific part, batch, or weld


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5. Records are retained for the period required by the code or customer


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6. Rejected items are clearly identified and dispositioned


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Non-Conformance And Corrective Action

1. A documented process exists for handling non-conforming inspection results


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2. Non-conformances are recorded with cause analysis and corrective action


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3. Corrective actions are verified for effectiveness and closed out


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4. Recurring non-conformances are escalated and trended


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5. Internal NDT audits are conducted at planned intervals and recorded


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Environment And Facility Conditions

1. Inspection areas have the lighting intensity required for the method


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2. Penetrant line stations have adequate drainage and ventilation


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3. The radiography area has shielding, warning signs, and controlled access (RT only)


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4. Surface temperature and ambient conditions are within procedure limits


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5. Work areas are clean and free of contamination that could mask indications


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Method Controls (witnessed)

1. Liquid penetrant dwell and processing times follow the written procedure (PT)


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2. Penetrant system sensitivity is verified using a reference panel (PT)


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3. Magnetic particle field strength and direction are verified before inspection (MT)


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4. Demagnetization and post-inspection cleaning are performed where required (MT)


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5. Image quality indicators confirm required sensitivity on each radiograph (RT)


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6. Radiographic density and technique fall within procedure limits (RT)


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7. Ultrasonic calibration is set and rechecked against the correct reference standard (UT)


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8. Ultrasonic scan coverage and overlap meet the technique requirements (UT)


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9. Eddy current reference standards and instrument settings match the procedure (ET)


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10. Visual inspection lighting and surface access meet the procedure requirements (VT)


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Witnessed Inspection

1. The technician performing the inspection is certified for that method and part


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2. The technician follows the applicable procedure and technique sheet during inspection


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3. Parts are correctly identified and inspection coverage matches the requirement


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4. Indications are evaluated against the correct acceptance criteria


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5. Results are recorded accurately at the time of inspection


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6. Equipment and consumables in use match those specified in the procedure


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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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