{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":29,"name":"Sikorsky S-70","note":"","unit":"registered","url":"https://eflight.com/models/sikorsky/s-70#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Rotorcraft systems","note":"","unit":"","url":"https://eflight.com/systems/rotorcraft"}],"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":"2012-12-14","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/54CEB1999DE5A0EF86257AC5004CADE9.0001","id":"2012-23-13","kind":"AD","name":"Airworthiness directive 2012-23-13","published":"2013-07-12","subject":"Engine Oil Cooler, Main Rotor Blades, Tail Rotor Head, Tail Rotor Blades, Tail Rotor Control System, Main Landing Gear Strut/Axle/Truck, Fuel Transfer Valve, and Fasteners","system":"rotorcraft","type":"directive","url":"https://eflight.com/directives/2012-23-13"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}