{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":15,"name":"General Electric CF34-3A1","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf34-3a1#airworthiness"},{"count":326,"name":"General Electric CF34-3B","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf34-3b#airworthiness"},{"count":94,"name":"General Electric CF34-3B1","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf34-3b1#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 2007-05-16","note":"","unit":"","url":"https://eflight.com/directives/2007-05-16"}],"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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/A7C740AB990C3F3886257284004FA0E5.0001","id":"2007-04-51","kind":"Emergency AD","name":"Airworthiness directive 2007-04-51","published":"","subject":"Uncontained fan disk failure during flight operation","system":"engine","type":"directive","url":"https://eflight.com/directives/2007-04-51"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}