AD 90-17-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120 | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes |
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120RT | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes |
Unsafe Condition
Engine failure due to propeller overspeed.
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Required Actions
Install a flight idle position electromechanical lockout device in accordance with EMBRAER Service Bulletin Number 120-076-0009, Revision 1 or 2. Alternate compliance may be approved by the Manager, Atlanta Aircraft Certification Office.
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Compliance Time
within 120 days after the effective date of this AD
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Affected Aircraft
EMBRAER Model EMB-120 series airplanes, Serial Numbers 120004 and 120006 through 120177
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Federal Register Abstract
Flight Idle Lockout Device
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_90-17-12.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 90-17-12 Document Type: AD Final Rules Docket Number: 90-NM-59-AD Subject Heading: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes Subject: Flight Idle Lockout Device Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/17/1990 Make: Embraer - Empresa Brasileira de Aeronautica S.A. Model: EMB-120 | EMB-120RT Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 90-17-12 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-NM-59-AD AMENDMENT: 39-6696 AD NUMBER: 90-17-12 SUBJECT HEADING: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes ACTION: SUMMARY: DATES: Effective September 17, 1990. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 90-17-12 EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER): Amendment 39- 6696. Docket No. 90-NM-59-AD. Applicability: EMBRAER Model EMB-120 series airplanes, Serial Numbers 120004 and 120006 through 120177, certificated in any category. Compliance: Required within 120 days after the effective date of this AD, unless previously accomplished. To prevent engine failure due to propeller overspeed, accomplish the following: A. Install a flight idle position electromechanical lockout device in accordance with EMBRAER Service Bulletin Number 120-076-0009, Revision 1, dated February 23, 1990, or Revision 2, dated May 3, 1990. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Central Region. NOTE: The request should be submitted directly to the Manager, Atlanta Aircraft Certification Office, ACE-115A, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Atlanta Aircraft Certification Office. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to EMBRAER, 276 S.W. 34th Street, Fort Lauderdale, Florida 33315. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton, Washington, or at the FAA, Central Region, Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia. This amendment (39-6696, AD 90-17-12) becomes effective on September 17, 1990. FOOTER:
Document Text
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AD Final Rules - DRS_90-17-12.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 90-17-12 Document Type: AD Final Rules Docket Number: 90-NM-59-AD Subject Heading: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes Subject: Flight Idle Lockout Device Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/17/1990 Make: Embraer - Empresa Brasileira de Aeronautica S.A. Model: EMB-120 | EMB-120RT Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 90-17-12 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-NM-59-AD AMENDMENT: 39-6696 AD NUMBER: 90-17-12 SUBJECT HEADING: Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes ACTION: SUMMARY: DATES: Effective September 17, 1990. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 90-17-12 EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER): Amendment 39- 6696. Docket No. 90-NM-59-AD. Applicability: EMBRAER Model EMB-120 series airplanes, Serial Numbers 120004 and 120006 through 120177, certificated in any category. Compliance: Required within 120 days after the effective date of this AD, unless previously accomplished. To prevent engine failure due to propeller overspeed, accomplish the following: A. Install a flight idle position electromechanical lockout device in accordance with EMBRAER Service Bulletin Number 120-076-0009, Revision 1, dated February 23, 1990, or Revision 2, dated May 3, 1990. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Central Region. NOTE: The request should be submitted directly to the Manager, Atlanta Aircraft Certification Office, ACE-115A, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Atlanta Aircraft Certification Office. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to EMBRAER, 276 S.W. 34th Street, Fort Lauderdale, Florida 33315. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton, Washington, or at the FAA, Central Region, Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia. This amendment (39-6696, AD 90-17-12) becomes effective on September 17, 1990. FOOTER:
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