[It took a while to pick up on that sound, and a bit longer to be sure he'd heard it... Now that Genos has also prompted that same minute noise, and confirmed that it shouldn't occur, they've gotten closer to the source of the problem]
Do you think something might have gotten under the outer casing and lodged between moving parts?
[That could account for the sound occurring specifically when his moving his joints, and may explain its intermittent nature. Whatever it might be could be shifting]
no subject
Do you think something might have gotten under the outer casing and lodged between moving parts?
[That could account for the sound occurring specifically when his moving his joints, and may explain its intermittent nature. Whatever it might be could be shifting]