Product Version: NetBeans IDE Dev (Build 200802191203)
Java: 1.5.0_14; Java HotSpot(TM) Client VM 1.5.0_14-b03
System: Linux version 2.6.22-14-generic running on i386; UTF-8; en_US (nb)
Userdir: /home/petr/.netbeans/dev

File > New File > Module Developement > Action > [Next] > [Next] 

Missing mnemonics.

Full output from accessibility tester:
===========================================  Tested Window title : New Action ===========================================

Results of Accessibility test

Doesn't implement Accessible : - none.

No Accessible name : - none.

No Accessible description : - none.

Label with LABEL_FOR not set : - none.

Components with no LABEL_FOR pointing to it : - none.

Components with no mnemonic :

Class
    javax.swing.JCheckBox { Separator After | Add Separator After item in menu } 
Class
    javax.swing.JCheckBox { Separator After | Separator After } 
Class
    javax.swing.JCheckBox { Separator After | Separator After } 
Class
    javax.swing.JCheckBox { Separator Before | Add Separator Before item in menu } 
Class
    javax.swing.JCheckBox { Separator Before | Separator Before } 
Class
    javax.swing.JCheckBox { Separator Before | Separator Before } 
Class
    javax.swing.JLabel { Content Type: | } 
Class
    javax.swing.JLabel { Content Type: | } 
Class
    javax.swing.JLabel { Key Strokes: | Add/Remove keystrokes } 
Class
    javax.swing.JLabel { Menu: | } 
Class
    javax.swing.JLabel { Position: | } 
Class
    javax.swing.JLabel { Position: | } 
Class
    javax.swing.JLabel { Position: | } 
Class
    javax.swing.JLabel { Position: | } 
Class
    javax.swing.JLabel { Toolbar: | } 

Components with wrong mnemonic (mnemonic isn't ASCII , label doesn't contain mnemonic): - none.

Components not reachable with tab traversal : - none.