AD 83-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2A | Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | HS 748 Series 2B | Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes |
Unsafe Condition
Gust locks of the control surfaces may re-engage during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace elevator, rudder, and aileron lock levers with new parts per British Aerospace HS 748 Service Bulletin 27/88, Revision 2. Alternate means of compliance may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199.
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Compliance Time
within the next 60 days after the effective date of this AD
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Affected Aircraft
BAE Systems (Operations) Limited Model HS 748 Series 2A and 2B airplanes certificated in all categories.
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Federal Register Abstract
Lock Levers Replacement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_83-26-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-26-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes Subject: Lock Levers Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/11/1984 Make: BAE Systems (Operations) Limited Model: HS 748 Series 2A | HS 748 Series 2B Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 83-26-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4791 AD NUMBER: 83-26-04 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes ACTION: SUMMARY: DATES: Effective January 11, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-26-04 BRITISH AEROSPACE: Amendment 39-4791. Applies to all Model HS 748 2A and 2B series airplanes certificated in all categories. Compliance is required as indicated. To prevent the gust locks of the control surfaces from re-engaging during flight, accomplish the following within the next 60 days after the effective date of this AD, unless previously accomplished: A. Replace the existing elevator, rudder and aileron lock levers with new parts in accordance with the Accomplishment Instructions of British Aerospace HS 748 Service Bulletin 27/88, Revision 2, dated April 22, 1983. B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective January 11, 1984. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_83-26-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-26-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes Subject: Lock Levers Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/11/1984 Make: BAE Systems (Operations) Limited Model: HS 748 Series 2A | HS 748 Series 2B 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: 83-26-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4791 AD NUMBER: 83-26-04 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE Model HS 748 2A and 2B Series Airplanes ACTION: SUMMARY: DATES: Effective January 11, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-26-04 BRITISH AEROSPACE: Amendment 39-4791. Applies to all Model HS 748 2A and 2B series airplanes certificated in all categories. Compliance is required as indicated. To prevent the gust locks of the control surfaces from re-engaging during flight, accomplish the following within the next 60 days after the effective date of this AD, unless previously accomplished: A. Replace the existing elevator, rudder and aileron lock levers with new parts in accordance with the Accomplishment Instructions of British Aerospace HS 748 Service Bulletin 27/88, Revision 2, dated April 22, 1983. B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective January 11, 1984. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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