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  • Chapter 10: Inspection Concepts & Techniques › Inspection of Bonded Structures

    Inspection of Bonded Structures Ultrasonic inspection is finding increasing application in aircraft bonded construction and repair. Many configurations and types of bonded structures are in use in aircraft. All of these variations complicate the application of ultrasonic inspections. An inspection ... applicable for different parts or areas of the same part. Some of the variables in the types of bonded structures are as follows: • Top skin material is made from different materials and thickness • Different types and thickness of adhesives…

  • Chapter 10: Inspection Concepts & Techniques › Special Inspections › Lightning Strike

    iSpec 2200 Systems. the critical areas. If excessive damage is noted in any of the areas mentioned, the inspection must be continued until all damage is detected. Lightning Strike Although lightning strikes to aircraft are extremely rare, if a strike ... occurred, the aircraft is carefully inspected to determine the extent of any damage that might have occurred. When lightning strikes an aircraft, the electrical current must be conducted through the structure and be allowed to discharge or dissipate at controlled…

  • Chapter 6: Aircraft Wood & Structural Repair › Inspection of Wood Structures › External & Internal Inspection

    cases, remove the fabric and inspect the plywood, since it is common for a split in the plywood skin to initiate a similar defect in the protective fabric covering. Figure 6-4. A distorted single plywood structure. Although a preliminary ... inspection of the external structure can be useful in assessing the general condition of the aircraft, note that wood and glue deterioration can often take place inside a structure without any external indications. Where moisture can enter a structure…