{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Models most reported","items":[{"count":37049,"name":"Boeing 737","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/737#airworthiness"},{"count":6316,"name":"Boeing 777","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/777#airworthiness"},{"count":5930,"name":"Airbus A321","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/airbus/a321#airworthiness"},{"count":5073,"name":"Boeing 757","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/757#airworthiness"},{"count":5071,"name":"Airbus A320","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/airbus/a320#airworthiness"},{"count":4850,"name":"Boeing 767","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/boeing/767#airworthiness"},{"count":4658,"name":"Bombardier CL-600 Challenger and CRJ","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/bombardier/cl-600#airworthiness"},{"count":4098,"name":"Embraer EMB-145 ERJ 145","note":"","unit":"failure reports in ten years","url":"https://eflight.com/models/embraer/emb-145#airworthiness"}],"relation":"reported on"},{"group":"Engine series most reported","items":[{"count":160,"name":"General Electric CT7-9B","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/general-electric-ct7-9b#airworthiness"},{"count":94,"name":"Pratt & Whitney PW4056","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/pratt-whitney-pw4056#airworthiness"},{"count":71,"name":"International Aero Engines V2527-A5","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/international-aero-engines-v2527-a5#airworthiness"},{"count":57,"name":"CFM International CFM56-7B27","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/cfm-international-cfm56-7b27#airworthiness"},{"count":48,"name":"Rolls-Royce RB211-535E4","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/rolls-royce-rb211-535e4#airworthiness"},{"count":45,"name":"Pratt & Whitney PW4090","note":"","unit":"failure reports in ten years","url":"https://eflight.com/engines/pratt-whitney-pw4090#airworthiness"}],"relation":"reported on"},{"group":"Orders","items":[{"count":0,"name":"FAA orders on electrical power","note":"","unit":"airworthiness directives","url":"https://eflight.com/directives?system=electrical"}],"relation":"governed by"},{"group":"More","items":[{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"},{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"}],"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":{"faa_orders":0,"failure_reports_10_years":85111,"id":"electrical","name":"Electrical power","type":"system","url":"https://eflight.com/systems/electrical"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}