# Proposed AD 2000-NM-66-AD: Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2003-15-05
- Products: Embraer
- Product type: Aircraft
- Action: Supplemental notice of proposed rulemaking; reopening of comment period.
- Published: May 15, 2002, 67 FR 34641
- Comments due: June 10, 2002
- Became: [AD 2003-15-05](https://openairdocs.org/ad/2003-15-05)
- Docket: 2000-NM-66-AD
- FR document: 02-12067
- Official PDF: https://openairdocs.org/files/sha256/23/04/2304e682d4cac45659b9ea5fe86e8334d53f8707e439a44fdb22da59e1496f77 (from https://www.govinfo.gov/content/pkg/FR-2002-05-15/pdf/02-12067.pdf)
- Federal Register: https://www.federalregister.gov/documents/2002/05/15/02-12067/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-120-series-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/344229BA43C089B886256BBA0056D8E3.0001
- Page: https://openairdocs.org/proposed/2000-NM-66-AD

## Summary

This document revises an earlier proposed airworthiness directive (AD), applicable to certain EMBRAER Model EMB-120 series airplanes, that would have superseded an existing AD that currently requires repetitive visual checks or inspections to verify that the flight idle stop system circuit breakers are closed, and functional tests to determine if the backup flight idle stop system is operative. A supplemental NPRM was issued to require modification of the secondary flight idle stop system (SFISS), which would terminate the repetitive actions. This supplemental NPRM would remove one airplane from the applicability; and would add new inspections and corrective actions if necessary. The actions specified by this proposed AD are intended to prevent inadvertent or intentional operation with the power levers below the flight idle stop during flight for airplanes that are not certificated for in-flight operation, which could result in engine overspeed and consequent loss of controllability of the airplane.

## Notices in this docket

- Apr 11, 2000: Notice of proposed rulemaking (NPRM). (first notice), FR document 00-8993, comments due May 11, 2000 (https://www.federalregister.gov/documents/2000/04/11/00-8993/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-120-series-airplanes)
- Jan 16, 2001: Supplemental notice of proposed rulemaking; reopening of comment period., FR document 01-1239, comments due Feb 12, 2001 (https://www.federalregister.gov/documents/2001/01/16/01-1239/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-120-series-airplanes)
- May 15, 2002: Supplemental notice of proposed rulemaking; reopening of comment period., FR document 02-12067, comments due Jun 10, 2002 (https://www.federalregister.gov/documents/2002/05/15/02-12067/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-120-series-airplanes)

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