Below is a list of the Service Bulletins

Each panel refers to the type of aircraft covered by the individual PA
8/10/2010 - MANDATORY : Use of fuel with ALCOHOL (ethano , methanol )

SB_01-10-ULM_LSA

12-8-2011 - MANDATORY : Flap support changes

SB_01-11-ULM_LSA

1-2-2012 - MANDATORY : Wing fuel tanks check

SB_01-12-ULM