The European Aviation Safety Agency (EASA) have issued an Emergency Airworthiness Directive for Rotax 912 iSc2 Sport and Rotax 912 iSc3 Sport engines (all serial numbers).
Ignition House Sealing Plug – Inspection
These engines are known to be installed on, but not limited to, Aero-East-Europe Sila 450C, Diamond Aircraft Industries DV-20 E, Pipistrel Virus SW 121, Flight Design CTLS-ELA, Diamond Aircraft Industries Inc. DA 20 and Aero AT SP z.o.o. AT-3 R100 aeroplanes, and Grob Aircraft G109 powered sailplanes. The installation of these engines was either done by the respective aeroplane manufacturer or through modification of the aircraft by Supplemental Type Certificate. At present, we understand that none of the affected engines are installed on NMAI aircraft however we have decided to publish this EAD in case any members decide to install or purchase an aircraft powered by one of these engines.
See full details here.