1-1. Purpose. This volume provides general information pertaining to nondestructive testing and flaw detection
procedures and practices. Specific aircraft application, usage, and substitution is found in the individual aircraft
maintenance manual. This volume is maximum benefit to the mechanic who desires general information about
nondestructive testing and flaw detecting procedures and practices. Refer to TM 55-1500-335-23 for general application
of various nondestructive inspection methods. This volume should not be used to perform nondestructive inspection
procedures. This volume is not requisitioning authority, and applicable repair parts and special tools list should be
consulted to obtain the unit of issue and National Stock Number of the items required for maintenance.
1-2. Scope. General information to guide aircraft maintenance personnel is covered in this volume; however, no
attempt has been made to include special parts or equipment which are applicable only to individual or special aircraft.
General information is covered in Chapter 2. Penetrant inspections are discussed in Chapter 3 and magnetic particle
inspections in Chapter 4. Information regarding radiography is presented in Chapter 5. Chapter 6 covers ultrasonic
inspections. Finally, electromagnetic inspections are presented in Chapter 7.
1-3. Consumable Materials. Refer to TM 1-1500-204-23-6 for consumable materials in this volume.
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