AFS-640

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AFS-640 ( afs-640 )

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9/8/98 AC 43.13-1B CHAPTER 5. NONDESTRUCTIVE INSPECTION (NDI) SECTION 1. GENERAL 5-1. GENERAL. The field of NDI is too varied to be covered in detail in this Advisory Circular (AC). This chapter provides a brief description of the various Nondestructive Testing (NDT) used for inspection of aircraft, powerplant, and components in aircraft in- spection. The effectiveness of any particular method of NDI depends upon the skill, experi- ence, and training of the person(s) performing the inspection process. Each process is limited in its usefulness by its adaptability to the par- ticular component to be inspected. Consult the aircraft or product manufacturer’s manuals for specific instructions regarding NDI of their products. (Reference AC 43-3, Nondestructive Testing in Aircraft, for additional information on NDI. The product manufacturer or the Federal Aviation Administration (FAA) generally specifies the particular NDI method and pro- cedure to be used in inspection. These NDI requirements will be specified in the manu- facturer’s inspection, maintenance, or overhaul manual; FAA Airworthiness Directives (AD); Supplemental Structural Inspection Documents (SSID); or manufacturer’s service bulletins (SB). However, in some conditions an alter- nate NDI method and procedure can be used. This includes procedures and data developed by FAA certificated repair stations under Ti- tle14 of the Code of Federal Regulations, (14 CFR), part 145. 5-2. APPROVED PROCEDURES. Ti- tle 14 CFR, part 43 requires that all mainte- nance be performed using methods, tech- niques, and practices prescribed in the current manufacturer’s maintenance manual or in- structions for continued airworthiness prepared by its manufacturer, or other methods, techniques, and practices acceptable to the administrator. If the maintenance instructions include materials, parts, tools, equipment, or test apparatus necessary to comply with indus- try practices then those items are required to be available and used as per part 43. 5-3. NDT LEVELS. Reference Air Trans- port Association (ATA) Specification 105- Guidelines For Training and Qualifying Per- sonnel In Nondestructive Testing Methods. a. Level I Special. Initial classroom hours and on-the-job training shall be sufficient to qualify an individual for certification for a specific task. The individual must be able to pass a vision and color percep- tion examination, a general exam dealing with standards and NDT procedures, and a practical exam conducted by a qualified Level II or Level III certificated person. b. Level I/Level II. The individual shall have an FAA Airframe and Powerplant Mechanic Certificate, com- plete the required number of formal classroom hours, and complete an examination. c. Level III. (1) The individual must have graduated from a 4 year college or university with a de- gree in engineering or science, plus 1 year of minimum experience in NDT in an assignment comparable to that of a Level II in the applica- ble NDT methods: or (2) The individual must have 2 years of engineering or science study at a university, Par 5-1 Page 5-1

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