Welcome to sjap.nl, the website for 737 maintenance technicians.

This site is developed to exchange maintenance experiences, tips, tricks, warnings, handy documents and other smart stuff to work easier, smarter and faster with the 737. If you know anything to prevent damage, to simplify a maintenance task, where to find any inspection hotspots, how to prevent errors or something not specifically mentioned in the manuals, send it in via this website to share it with other 737 technicians all over the world.


Any technical questions or requests?Go to the forumand ask other 737 technicians!Put YOUR 737 experience & tips on this website !Any comments on this website? Please read and sign the guestbook here.



This website has NO connection with The Boeing Company.All information on this website is NOT official, you are NOT allowed to use it for real 737 maintenance. You must always use the official maintenance manuals.You must read the disclaimer before you use any information from this website !