In 2014 Van’s Aircraft put out a service bulletin for potential cracking in the horizontal stabilizers of the RV-6, RV-7 and RV-8 series of aircraft. While the service bulletin calls for annual inspections in this area, I recommend more frequent checks for those aircraft that are regularly performing aerobatics. The crack shown in the photo was discovered two months after a condition inspection.
In Case You Missed It
Dan’s World
Sometimes its surprising to see homebuilt aircraft kits languishing in garages or hangars or workshops. Especially the quickbuilds, which raises the question of whether there's something about buying a QB kit that leads to procrastination. Columnist Dan Checkoway ponders the question, looking to his own experience for an answer.
Roll Your Own
Builders Ken Scott and Ken Kruegers unique project is off the drawing board and into production. They're working with the engine builder, the wing is behind them, the nosebowl is taking shape-and the fuselage is taking over the living room;
Boots on the Ground
Paul Dye talks about meeting old friends and making new friends at air shows and fly-ins, and introduces several new columnists who will be regular contributors to KITPLANES.
Check the Sump Screen
It is important to check the oil sump screen for contaminants at least once per year.

![Last Bits [Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/04/Inspections-1-scaled.jpg?w=218&h=150&crop=1)
![Weight In The Balance [Credit: Eric Powell]](https://www.kitplanes.com/wp-content/uploads/2026/02/AdobeStock_1043661239-scaled.jpeg?w=218&h=150&crop=1)









Excellent information
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