My method to simpify preflight check

Hi!

This method is not a revolution but it is very easy and is simplifying preflight check a lot.

I bought red nail color. Then I made sure that all screws are properly tightened. Next step was to paint the screws, nuts and bases with one line.

Now it is easy to see if the nuts or bolts has changed its position. Crack on the paint can suggest that something bad has started happening  and this particular screw require special attention.

To get rid of the paint just use a bit of fuel on a fiber and wash it out. 
 

Cheers!