LBA AD Number TN Number Subject Urgency Download Link
84-11 604-1 Possible damage of wing structure with water ballast bags installed. Revision of flight manual. All S/N Deutsch English
86-220 604-2 Rudder-yoke Replacement of the yoke. All S/N Before 31/3/1987 Deutsch English
87-83 604-3 Replacement of “DN” control cables by “LN” cable.  All S/N Before 31/7/1987 then every 500 hours Deutsch English
604-4 Tow releases: Optional use of model E85 instead of E72/E75. All S/N Deutsch English
93-001 604-5 L’Hotellier ball and swivel joints, Installation of safety pin. All S/N Before 31/3/1993 Deutsch English
96-141 604-6 Control surface weight and static balance. All S/N Before 31/3/1996 Deutsch English
96-135 604-7 Inspection of glass fiber laminate on spar stub fitting, All S/N Annually Deutsch English
604-8 Installation of Mode-S-Transponder and Transponder Antennas Deutsch English
604-9 Inspection of glass fiber laminate on spar stub fitting, All S/N (replaces TN 604-7) Annually
604-10 Spar stub fitting replacement, standardisation of fittings Deutsch English
EASA AD 2011-213 604-11 Inspection / replacement of elevator control rod in vertical fin 30 days, Before 31/12/2012 Deutsch English
604-11 Authorised service facilities for TN 604-11 Deutsch
604-12 Increase of the operating time Before 3000 hours Deutsch English
604-13 Continuous Canopy with pop-up mechanism Deutsch English
604-14 Installation of backrest with integrated headrest Deutsch English