{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":1,"name":"General Electric CF6-50C","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-50c#airworthiness"},{"count":10,"name":"General Electric CF6-50C2","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-50c2#airworthiness"},{"count":238,"name":"General Electric CF6-80 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-80-series#airworthiness"},{"count":9,"name":"General Electric CF6-80A","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-80a#airworthiness"},{"count":5,"name":"General Electric CF6-80A2","note":"","unit":"aircraft","url":"https://eflight.com/engines/general-electric-cf6-80a2#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"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":"1991-11-22","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/210A13B300311A1F8625686C004A0C4E.0001","id":"91-23-13","kind":"AD","name":"Airworthiness directive 91-23-13","published":"","subject":"Fan Disks","system":"engine","type":"directive","url":"https://eflight.com/directives/91-23-13"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}