Nondestructive inspection of aircraft stiffeners
First Claim
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1. A method comprising performing nondestructive inspection of a plurality of stiffeners in an aircraft, the nondestructive inspection including exciting cavities of the stiffeners with electromagnetic radiation;
- and analyzing electromagnetic field responses of the cavities to detect at least one of foreign object debris and fluid ingress.
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Abstract
Nondestructive inspection of a plurality of aircraft hat stiffeners includes exciting cavities of the stiffeners with electromagnetic radiation, and analyzing electromagnetic field responses of the cavities to detect state changes of the stiffeners.
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Citations
17 Claims
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1. A method comprising performing nondestructive inspection of a plurality of stiffeners in an aircraft, the nondestructive inspection including exciting cavities of the stiffeners with electromagnetic radiation;
- and analyzing electromagnetic field responses of the cavities to detect at least one of foreign object debris and fluid ingress.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising performing nondestructive inspection on hat stiffeners in an aircraft during routine service inspection of the aircraft, the nondestructive inspection including exciting cavities of the stiffeners with electromagnetic radiation;
- and analyzing electromagnetic field responses of the cavities to detect state changes.
- View Dependent Claims (14, 15, 16)
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17. A method comprising performing nondestructive inspection of a plurality of stiffeners in an aircraft, the nondestructive inspection including exciting cavities of the stiffeners with electromagnetic radiation;
- and analyzing electromagnetic field responses of the cavities, wherein the nondestructive inspection is performed only on those stiffeners having a greater likelihood of a state change, including stiffeners around cargo bay doors of the aircraft.
Specification