{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":1,"name":"Honeywell TFE731-20","note":"","unit":"aircraft","url":"https://eflight.com/engines/honeywell-tfe731-20#airworthiness"},{"count":17,"name":"Honeywell TFE731-40","note":"","unit":"aircraft","url":"https://eflight.com/engines/honeywell-tfe731-40#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 2019-05-07","note":"","unit":"","url":"https://eflight.com/directives/2019-05-07"}],"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":"2017-11-02","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/524835C10EC74745862581A90056C87A.0001","id":"2017-20-01","kind":"AD","name":"Airworthiness directive 2017-20-01","published":"2017-09-28","subject":"Turbine Engine Compressor Section","system":"engine","type":"directive","url":"https://eflight.com/directives/2017-20-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}