{"as_of":"2026-11-10","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":9,"name":"Pacific Aerospace Ltd 750","note":"","unit":"registered","url":"https://eflight.com/models/pacific-aerospace-ltd/750#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaced by 2020-16-20","note":"","unit":"","url":"https://eflight.com/directives/2020-16-20"}],"relation":"related to"},{"group":"More","items":[{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"},{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"effective":"2018-04-12","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/0FA3F73070D2FE8F8625824A0058102E.0001","id":"2018-04-09","kind":"AD","name":"Airworthiness directive 2018-04-09","published":"2018-03-08","subject":"Engine Oil","system":"engine","type":"directive","url":"https://eflight.com/directives/2018-04-09"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}