Following an in-flight failure of a Duo-Discus on July 25th (no
casualties), the LBA has issued airworthiness directives (effective july
31st) grounding the following DuoDisci :

not anymore. Follow up (august 1st.):

http://www.lba.de/dokumente/ad/2003-245-2-e.pdf
http://www.lba.de/dokumente/ad/2003-246-2-e.pdf