{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":17,"name":"Pratt & Whitney Canada PW210A","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pw210a#airworthiness"},{"count":26,"name":"Pratt & Whitney Canada PW210S","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pw210s#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":"2021-09-09","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/BB073AB010B654C886258728006448C9.0001","id":"2021-15-12","kind":"AD","name":"Airworthiness directive 2021-15-12","published":"2021-08-05","subject":"Turbine Engine Compressor Section","system":"engine","type":"directive","url":"https://eflight.com/directives/2021-15-12"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}