AD 91-03-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
Unsafe Condition
Cracks in the wing outer butt straps at Rib 2 lower wing skin joint could lead to failure of the butt strap and reduced structural capability of the wings.
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Required Actions
Perform a detailed visual inspection of the right and left wing outer butt straps at Rib 2 lower wing skin joint per British Aerospace Service Bulletin 57-36 within 30 days after the effective date or before 12,000 landings, whichever is later. Repeat inspections every 9,000 landings or 4.5 years, whichever comes first. If cracks are found, repair them prior to further flight with approval from the FAA's Manager, Standardization Branch.
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Compliance Time
Prior to the accumulation of 12,000 landings, or within 30 days after the effective date of this AD, whichever occurs later
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Affected Aircraft
British Aerospace Model BAe 146-100A, BAe 146-200A, BAe 146-300A airplanes with Serial Numbers E2133, E3134, E3135, E3137, E2139, E3141, E3142, E3145, E2148, E3151, and E3155
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Federal Register Abstract
Wing Butt Straps
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_91-03-14.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 91-03-14 Document Type: AD Final Rules Docket Number: 90-NM-197-AD Subject Heading: Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes Subject: Wing Butt Straps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/04/1991 Make: BAE Systems (Operations) Limited Model: BAe 146-100A | BAe 146-200A | BAe 146-300A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 91-03-14 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-NM-197-AD AMENDMENT: 39-6872 AD NUMBER: 91-03-14 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes ACTION: SUMMARY: DATES: Effective on March 4, 1991. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 91-03-14 BRITISH AEROSPACE: Amendment 39-6872. Docket No. 90-NM-197-AD. Applicability: Model BAe 146 series airplanes with Serial Numbers E2133, E3134, E3135, E3137, E2139, E3141, E3142, E3145, E2148, E3151, and E3155; certificated in any category. Compliance: Required as indicated, unless previously accomplished. To detect cracks and prevent failure of the butt strap and reduced structural capability of the wings, accomplish the following: A. Prior to the accumulations of 12,000 landings, or within 30 days after the effective date of this AD, whichever occurs later, perform a detailed visual inspection of the right and left wing outer butt straps at Rib 2 lower wing skin joint, in accordance with British Aerospace Service Bulletin 57-36, dated June 8, 1990. Repeat this inspection thereafter at intervals not to exceed 9,000 landings or 4-1/2 years since last inspection, whichever occurs first. B. If cracks are found as a result of the inspection required by paragraph A. of this AD, prior to further flight, repair in a manner approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. C. 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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. NOTE: The request should be submitted directly to the Manager, Standardization Branch, ANM-113, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Standardization Branch, ANM-113. D. 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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041-0414. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington. This amendment (39-6872, AD 91-03-14) becomes effective on March 4, 1991. FOOTER:
Document Text
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AD Final Rules - DRS_91-03-14.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 91-03-14 Document Type: AD Final Rules Docket Number: 90-NM-197-AD Subject Heading: Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes Subject: Wing Butt Straps Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/04/1991 Make: BAE Systems (Operations) Limited Model: BAe 146-100A | BAe 146-200A | BAe 146-300A 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: AIRWORTHINESS DIRECTIVES FINAL RULES: 91-03-14 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-NM-197-AD AMENDMENT: 39-6872 AD NUMBER: 91-03-14 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes ACTION: SUMMARY: DATES: Effective on March 4, 1991. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 91-03-14 BRITISH AEROSPACE: Amendment 39-6872. Docket No. 90-NM-197-AD. Applicability: Model BAe 146 series airplanes with Serial Numbers E2133, E3134, E3135, E3137, E2139, E3141, E3142, E3145, E2148, E3151, and E3155; certificated in any category. Compliance: Required as indicated, unless previously accomplished. To detect cracks and prevent failure of the butt strap and reduced structural capability of the wings, accomplish the following: A. Prior to the accumulations of 12,000 landings, or within 30 days after the effective date of this AD, whichever occurs later, perform a detailed visual inspection of the right and left wing outer butt straps at Rib 2 lower wing skin joint, in accordance with British Aerospace Service Bulletin 57-36, dated June 8, 1990. Repeat this inspection thereafter at intervals not to exceed 9,000 landings or 4-1/2 years since last inspection, whichever occurs first. B. If cracks are found as a result of the inspection required by paragraph A. of this AD, prior to further flight, repair in a manner approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. C. 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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. NOTE: The request should be submitted directly to the Manager, Standardization Branch, ANM-113, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Standardization Branch, ANM-113. D. 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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041-0414. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington. This amendment (39-6872, AD 91-03-14) becomes effective on March 4, 1991. FOOTER:
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