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. Do not send in any documents with copyright on it.

Any technical questions or requests? Go to the forum and ask other 737 technicians!

Put YOUR 737 experience & tips on this website !

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 !

Regards,

Sjap

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Latest News:

3 march 2010:

Elevator feel & centering unit broken springs.

14 february 2010:

Maintenance Xperience 777 & 747 & A330: Share your knowledge.

4 february 2010:

Balancing flight controls after a paint job.

6 january 2010:

Lower anti collision light plug removal.

23 december 2009:

Cracks at Sta 663 pressure bulkhead.

1 december 2009:

Cargo fire test fails in the morning, but is ok after some flights.

2 november 2009:

Fuel boostpump bonding jumper corrosion 737NG UPDATED with a repair !

25 october 2009:

Dow Corning & Zip-chem products reference overviews added.

19 october 2009:

Slat track replacement fast procedure on 737NG.

7 october 2009:

Bleed air test guide added, a good general guide for all your bleed problems.

20 september 2009:

Download section updated with seperate engine related sheets.

30 august 2009:

IDG drainplug cracks due to overtorque.

17 august 2009:

The site is online again completely. New tips and tricks are welcome!

04  august 2009:

Sjap.nl is online again after it is filtered from suspected proprietary documents from the aircraft manufacturer.

Not all links are working and not all pages and/or photographs/pictures are online due to the rework process sjap.nl has to do.