The Hitcher:
In most cases a torch screwdriver, adjustable spanner and a pair of pliers are more then enough if the engineer needs more than that he should have a written memo from his supervisor explaining to the security officer involved the reasons why.
also:
FYI flight mech to attain the rank of senior aviation security officer you need to hold a level 3 SIA licence which takes a lot of study and hard work to achieve i can assure you....
Do you now advise airlines on what they really need to service the aircraft, wish I had your know how on sorting out problems on a/c, could have saved myself a fortune on what I have spent at the snap-on van.
as for the quote "Takes a lot of study and hard work" which was the hardest for you?......reading or writing.