Versions of 14 CFR 39.27 - What do I do if the airworthiness directive conflicts with the service document on which it is based? on LawServer 2024 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2023 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2022 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2021 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2020 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2019 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2016 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2015 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2014 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2010 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based? 2009 14 CFR 39.27 – What do I do if the airworthiness directive conflicts with the service document on which it is based?