{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":237,"name":"General Electric CF6-80 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-80-series#airworthiness"},{"count":10,"name":"General Electric CF6-80E1A4","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-80e1a4#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 2020-13-08","note":"","unit":"","url":"https://eflight.com/directives/2020-13-08"}],"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":"2005-11-25","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/9B4FEE728D671E03862570B4005EAED5.0001","id":"2005-23-09","kind":"AD","name":"Airworthiness directive 2005-23-09","published":"2005-11-09","subject":"High pressure compressor (HPC) cases","system":"engine","type":"directive","url":"https://eflight.com/directives/2005-23-09"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}