Spark plug came loose from factory?

same thing for me on my 2017. Truck runs fine, no sense in bitch’n to Toyota if nothing is messed up.... they don’t care about this stuff

 

For what it's worth I have a 16 OR MT. I changed the spark plugs for the first time in the vehicles history being the second owner @88k miles. My plugs we're dirty but nothing like I've seen around here. All of them needed some torque to break loose. So, no issues here

 

Just checked all mine, all at click-click lb-ft (13 or 156 lb-in). Mine must've been put together on a Tuesday or at least got spot checked. That first coil on the drivers side is a pain to get at, more pain to torque. Others are very doable without removing almost anything. Won't be a bad job when the time comes.

 

"Tuesday" build here too. Checked all mine at 24.5K (2021 TRD OR). No surprises. Went ahead replaced w/ new spark plugs OEM - Denso (3491) FK20HBR8 since I was in there. Engine noise seems slightly quieter and "tighter", if you will. No regrets changing them out.