Ultrasonic inspecting aircraft engine component

An inspection method, comprising:

• directing an acoustic coupling media into a cavity of an engine rotating assembly, the engine rotating assembly including a shaft and a bladed rotor with a rotor disk, and the cavity extending radially between and to the shaft and the rotor disk;
• arranging an inspection device within a bore of the shaft axially aligned with the rotor disk, the inspection device comprising an ultrasonic transducer;
• and
• determining a first characteristic of the rotor disk using the inspection device, the determining of the first characteristic comprising generating an ultrasonic signal using the ultrasonic transducer, and directing the ultrasonic signal from the inspection device, sequentially through the shaft and the acoustic coupling media, into the rotor disk.

An inspection method, comprising:

• directing an acoustic coupling media into a cavity of an engine rotating assembly, the engine rotating assembly including a shaft and a bladed rotor with a rotor disk, and the cavity extending radially between and to the shaft and the rotor disk;
• arranging an inspection device within a bore of the shaft axially aligned with the rotor disk, the inspection device comprising an ultrasonic transducer;
• and
• determining presence of a defect internal to the rotor disk using the inspection device, the determining of the presence of the defect comprising generating an ultrasonic signal using the ultrasonic transducer, and directing the ultrasonic signal from the inspection device, sequentially through the shaft and the acoustic coupling media, into the rotor disk.