AD 76-07-12 describes compliance with testing the Bendix Ignition Switch every 100hrs or at every annual.  Every year there's an entry in my logbooks at annual that this AD has been complied with.  Most annuals have been performed by well-known MSCs for the last 35 years. HOWEVER, my 231 was made in 1985, one of the last few ever built.  This is 9 years after the AD.  The 231 was type certified 2 years AFTER that AD was issued.  The FAA would surely never have allowed an ignition switch wit