Usually a Samsung Experience Store or Samsung Service Centre can take a look in house if you have one local which means you wouldn't have to send it off.
Also via using a torch look inside the charging port to see if there's any debris in there.
I wish you all the best with this @navyred
Daily Driver > Samsung Galaxy s²³ Ultra 512Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "