I never heard of that. Is this documented anywhere? Also doesn't Apple Store usually replace the whole device for a repair, rather than individual hardware components?
I can send you my bricked phone to inspect if you like? I did a minor update just sat in the car, then it got stuck in a boot loop, no attempt at DFU rescue etc worked. Phone was perfectly fine up to the update including face ID, speakers etc
Apple aren't going to document their planned obsolescence at apple.com I'm afraid