Metallic Arc Welding Tungsten Inert Gas TIG Shielded-Arc Welding

Part 2 ✈ Chapter 3 - Checklists Page 121 Part 2 - Airworthiness Audit Policy and Procedures MRA – 1 st Edition September 1998 Items References Result A-5 Is the post-heat furnace temperature controlled? QPM OK FDG NA A-6 Are titanium parts inspected to ensure that they are free from oxide, scale, oil, grease or other contaminants prior to welding? QPM OK FDG NA A-7 Are titanium parts visually inspected for discoloration which is acceptable when welded surfaces are silver to light straw-yellow in colour? QPM OK FDG NA A-8 Are titanium parts welded in the open air or in a vacuum chamber? QPM OK FDG NA A-9 Are titanium test coupons used for contamination checks of the inert atmosphere in the welding chamber? QPM OK FDG NA Items Certified – Completed by:

3.8.18 CertificationQualification of NDT Personnel

Items References Result A-1 Are the operators qualifiedcertified to the appropriate standard: - MIL-STD-410; - CGSB; - 48-GP-7M radiography; - 48-GP-7M ultrasonics; - 48-GP-8M magnetic particles; - 48-GP-9M liquid penetrant; and - 48-GP-13M eddy current? QPM OK FDG NA Page 122 Part 2 ✈ Chapter 3 - Checklists MRA – 1st Edition September 1998 Part 2 ✈ Chapter 2 - Airworthiness Audit Policy and Procedures Items References Result A-2 Are the records of NDT personnel available and up to date? Do the records contain information regarding their: - physical examination; - training; - work experience; and - level of certificationqualification? QPM OK FDG NA A-3 Is the proficiency of certifiedqualified personnel verified? QPM OK FDG NA Items Certified – Completed by:

3.8.19 Eddy Current Inspection

Items References Result A-1 According to what standard are eddy current inspections conducted? QPM OK FDG NA A-2 Is the eddy current equipment calibrated for each inspection of specified test pieces? QPM OK FDG NA A-3 Are approved techniques andor technical instructions followed? QPM OK FDG NA A-4 Are test pieces and eddy current probes properly identified with respect to techniques or inspection guidelines? QPM OK FDG NA A-5 Are partscomponents properly cleaned prior to the eddy current testing? QPM OK FDG NA A-6 What type of equipment is used and for what purpose? OBS OK FDG NA