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During routine maintenance, ultrasonic testing is performed on some aircraft components such as aircraft landing gear.
What is the reason for performing this test?
`C`
`=>C`
A periodic aircraft maintenance inspection is to be carried out.
Identify and justify an appropriate test that could be used to check the airworthiness of the landing gear. (4 marks)
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Ultrasonic testing:
→ Can determine whether there are internal cracks/flaws within the landing gear.
→ This is appropriate as the equipment is portable, the testing is non-destructive and can be done on site.
Other appropriate tests could include:
Dye penetrant or fluorescent inspection tests
→ Reveals surface cracks/flaws and is non-destructive.
Magnetic particle/eddy current inspection
→ Non-destructive and reveals surface and shallow flaws through discrepancies in electric and magnetic fields.
Visual inspection
→ For any obvious faults/damages/cracks.
Radiography
→ Used to find deep internal flaws, non-destructive.
Ultrasonic testing:
→ Can determine whether there are internal cracks/flaws within the landing gear.
→ This is appropriate as the equipment is portable, the testing is non-destructive and can be done on site.
Other appropriate tests could include:
Dye penetrant or fluorescent inspection tests
→ Reveals surface cracks/flaws and is non-destructive.
Magnetic particle/eddy current inspection
→ Non-destructive and reveals surface and shallow flaws through discrepancies in electric and magnetic fields.
Visual inspection
→ For any obvious faults/damages/cracks.
Radiography
→ Used to find deep internal flaws, non-destructive.