Regulation & law · 25/11/2002
Textron Lycoming Issues Airworthiness Directive for AEIO-540, IO-540, and Other Reciprocating Engines
Textron Lycoming has issued an airworthiness directive covering the AEIO-540, IO-540, LTIO-540, O-540, and TIO-540 series reciprocating engines, which are used in various aircraft.