The FAA is superseding Airworthiness Directive (AD) 2022–04–04 for certain Continental Aerospace Technologies, Inc. (Continental) Model C–125, C145, IO–360, IO–470, IO–550, O–300, O–470, TSIO–360, and TSIO–520 series engines and certain Continental Motors IO–520 series engines with a certain oil filter adapter installed. 

Download the pdf of AD-2023-17-04 below.