{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2428,"name":"Piper PA-24 Comanche","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-24#airworthiness"},{"count":18633,"name":"Piper PA-28 Cherokee, Warrior, Archer and Arrow","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-28#airworthiness"},{"count":879,"name":"Piper PA-30 Twin Comanche","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-30#airworthiness"},{"count":3917,"name":"Piper PA-32 Cherokee Six, Lance and Saratoga","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-32#airworthiness"},{"count":998,"name":"Piper PA-34 Seneca","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-34#airworthiness"},{"count":82,"name":"Piper PA-39 Twin Comanche C/R","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-39#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Landing gear","note":"","unit":"","url":"https://eflight.com/systems/landing-gear"}],"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":"1998-12-08","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/095F91A6A56BBAD0862569AC005E1BA7.0001","id":"97-01-01 R1","kind":"AD","name":"Airworthiness directive 97-01-01 R1","published":"1998-10-29","subject":"Main Gear Sidebrace Stud","system":"landing-gear","type":"directive","url":"https://eflight.com/directives/97-01-01 R1"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}