This Special Airworthiness Information Bulletin (SAIB) alerts registered owners, operators, and certified repair facilities of all airplanes equipped with Teledyne Continental Motors (TCM) Model C75, C85, C90, C125, C145, O-200, O-300, and GO-300 series and Rolls-Royce plc (RR) C90, O-200 and O-300 series reciprocating engines of miscommunication regarding the applicability section of AD 94-05-05 R1, effective on February 13, 1996. The FAA has received reports that FAA personnel have provided guidance that has resulted in confusion on complying with AD 94-05-05R1. The intent of this SAIB is to correct this miscommunication.


