SD-00083 Replacement of electrical fuel pump(s) for ROTAX Aircraft Engines Refers owners to Rotax service documents SB-912i-013/SB-912i-013iS, related to possible manufacturing defect in Rotax fuel pumps. Supersedes previous Van’s service documents SD 19-12-03 and SB-00056. Download this file Changelog 05/15/2023 Initial publication. Supercedes previously published SB-00056 and SD 19-12-03. If the aircraft is already compliant with SB-00056, it is also compliant with this Safety Directive.