All service bulletins are mandatory and you much check they have been complied with.

SB01 - Fuel vapor locking Jun 96 (Mandatory - All 912)
SB02 - Fuel filler hose (Mandatory - Classic)
SB03 - Rotax 912 exhaust system Sept 98 (Mandatory - Classic 912)
SB04 - Facet electric fuel pumps Nov 99 (Mandatory - All 912)
SB05 - Cold air plenum installation May 00 (Mandatory - All 912 Classic)
SB06 - Classic exhaust system port rear down pipe (Mandatory - 912 Classic)
SB07 - Throttle cable checking Sept 01 (Mandatory - All)
SB08 - XS Port wing closing panel stiffener Sept 01 (Mandatory - XS)
SB09 - Main gear leg socket Tri-gears (Dec 00-May 01) Nov-01 (Mandatory - Trgear)
SB10 - Aileron close-out misposition (wings Jan-Mar 02) April 02 (Mandatory - XS)
SB11 - XS Rotax 912/912S Exh. Silencer – Baffle Failure July 02 (Mandatory - XS Rotax 912&S)
SB12 - XS Rotax 912/912S exhaust silencer – baffle security March 04 (Mandatory - XS Rotax 912&S)
SB13 - OR5 Push Rod Replacement July 04 (Mandatory - Mono built 01,02)
SB14 - Rotax 912/912S XS silencer heat shield strap security Sept 05 (Mandatory - 912 buildt 04,05)
SB15 - Removal of play in the tailplane drive train Nov 07 (Mandatory - All)
SB16 - Check of flap drive pin engagement June 08 (Mandatory - All)
SB17 - Check Glider wing spars March 11 (Mandatory - Glider wings)
SB18 - Inspect Motor glider air brakes Sept 11 (Mandatory - Glider wings)