[lmnsblu355]

https://www.harborfreight.com/digital-inspection-camera-61839.html?_br_psugg_q=camera

You may be able to see it with a camera (see above) and then use something like this (see below) to grab it.

https://www.amazon.com/HARDK-Claw-Magnetic-Pick-up-Flexible-extension/dp/B07C3H7JH1/ref=sr_1_3?dchild=1&keywords=flexible+grabber&qid=1585586784&sr=8-3

Or just start the motor and hope it falls down t the sump or grinds up easily.