Podcast
Questions and Answers
What type of damage can be categorized as negligible if it does not interfere with internal structures or mechanisms?
What type of damage can be categorized as negligible if it does not interfere with internal structures or mechanisms?
- Deep scratches near rivet lines
- Smooth dents without cracks (correct)
- Sharp corners on the wing skin
- Cracks in the wing skin
Under what condition can deep scratches be considered negligible damage?
Under what condition can deep scratches be considered negligible damage?
- If they are located near existing rivet lines
- If they are less than one inch long
- If they do not appear during visual inspection
- If they can be enclosed by a two-inch circle (correct)
What must be done after a temporary repair, such as stop drilling, is conducted?
What must be done after a temporary repair, such as stop drilling, is conducted?
- Conduct a visual inspection only
- Make a permanent repair as soon as practicable (correct)
- Document the temporary nature of the repair
- Ensure no further repairs are needed
What is a requirement for damage to be considered negligible in terms of its distance from rivet lines?
What is a requirement for damage to be considered negligible in terms of its distance from rivet lines?
Which of the following types of damage cannot be categorized as negligible?
Which of the following types of damage cannot be categorized as negligible?
Study Notes
Wing Skin Damage Assessment
- Smooth dents in wing skin are acceptable if they are free from cracks, abrasions, and sharp corners.
- Dents must not be stress wrinkles and should not obstruct any internal structures or mechanisms.
- Damage occurring in low stress zones can be categorized as negligible if:
- Cracks, deep scratches, or sharp dents can be encompassed within a two-inch circle using trimming or stop-drilling techniques.
- The damaged area is situated at least one diameter of the enclosing circle away from rivet lines and edges of the material.
- Stop drilling is a temporary solution; a permanent repair should be implemented as soon as possible after the stop drilling.
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Description
Test your knowledge on the acceptable limits for smooth dents in wing skin and the criteria for categorizing damage. This quiz covers the assessment of cracks, scratches, and their implications for wing structure integrity. Gain a better understanding of aircraft maintenance standards.
