Liquid Penetrant Inspection Manufacturing Processes

Page 124 Part 2 ✈ Chapter 3 - Checklists MRA – 1st Edition September 1998 Part 2 ✈ Chapter 2 - Airworthiness Audit Policy and Procedures Items References Result A-8 Do the materials used in the inspection process meet the approved specifications? QPM OK FDG NA A-9 Are the materials used in accordance with the manufacturers recommendations? QPM OK FDG NA A-10 What quality assurance tests are used to verify the condition of the penetrant? QPM OK FDG NA A-11 Are records available for the following tests: - sensitivity of process; and - fluorescent brightness? QPM OK FDG NA A-12 Is penetrant dwell time controlled in accordance with the manufacturers recommendations? QPM OK FDG NA A-13 Are penetrant tanks and materials protected from contamination? QPM OK FDG NA A-14 Are parts dried prior to the application of dry or wet developers? QPM OK FDG NA A-15 Is the dark inspection booth adequate for its intended use? QPM OK FDG NA A-16 Are parts properly cleaned following the inspection process? QPM OK FDG NA Items Certified - Completed by:

3.8.21 Magnetic Particle Inspection

Items References Result A-1 According to what standard is the magnetic particle inspection carried QPM OK FDG NA Part 2 ✈ Chapter 3 - Checklists Page 125 Part 2 - Airworthiness Audit Policy and Procedures MRA – 1 st Edition September 1998 Items References Result out: - MIL-1-6868; - 48-GP-11M; or - other? A-2 Is the inspection conducted at the proper stage in the manufacturing process? QPM OK FDG NA A-3 Are specifications and procedures available to the operators and are they used? QPM OK FDG NA A-4 Do the inspection techniques provide for the detection of all discontinuities? QPM OK FDG NA A-5 Is the magnetising unit capable of producing its rated magnetising current? If not, is it placarded to indicate its specific limitations? QPM OK FDG NA A-6 Is adequate equipment available for cleaning parts prior to and following the inspection? QPM OK FDG NA A-7 What quality assurance tests are specified for controlling the process? QPM OK FDG NA A-8 Is the following equipment available and is it used to control the process: - a calibrated field indicator; - a calibrated light meter; - a centrifuge tube; - a suitable dark booth, when required; - a calibrated ammeter gauge; and - a black light? QPM OK FDG NA