its an ops manual job.
And if you have some penius in charge of writing the manuals it can be completely different to what the POM tells you to do. You can have every pilot in the fleet saying its a load of rubbishdoesn't matter
Then it depends on the day which TRE you get for a check.
Then if the poo hits the fan if you live to tell the tale you did it correctly if you don't you did it wrong.