Every AD in the library whose text names the Lycoming AEIO-390, of which 42 are registered in the US.
3 not superseded, 2 of them with a repeat action. 4 listed in all, newest published March 4, 2026.
Listed by the model designations in each AD's text. An AD written for a part number, or for "all" engines of a maker, may name no model and so not appear here: search the library for the part or the maker as well.
