Fume events are the dark belly of the aviation industry. The stuff used to lubricate turbofan engines is incredibly toxic when breathed in, literally orders of magnitude more potent than simple kerosene fumes.
TCP is a known neurotoxin:
"It is a toxic substance that causes neuropathy, paralysis in the hands and feet, and/or death for humans and animals alike. It can be ingested, inhaled, or even absorbed through the skin." [2]
Below is a presentation based on a PHD thesis on the subject with a lot of detail:
https://www.fzt.haw-hamburg.de/pers/Scholz/dglr/hh/text_2012...
[1] https://petrico.com/products/durad-125/
[2] https://en.wikipedia.org/wiki/Tricresyl_phosphate#Health_cal...