AD 76-09-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schempp-Hirth Flugzeugbau | Standard-Cirrus | Airworthiness Directives; Schempp Hirth Models Standard Cirrus and Burkhart Grob Gliders |
Unsafe Condition
Jamming of the aileron control system and consequent loss of roll control
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install an SAE 1024 steel safety brace in the fuselage frame between the airbrake lever bearing and the left diagonal strut in accordance with Step 2 of Schempp Hirth Technical Note 278-17 dated December 8, 1975, or an FAA-approved equivalent.
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Compliance Time
within the next 100 flights after the effective date of this AD, unless already accomplished
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Affected Aircraft
Schempp Hirth Standard Cirrus gliders serial numbers 1 through 510, 528, 529 and Burkhart Grob gliders serial numbers 1G through 544G
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Federal Register Abstract
Aileron Control System
Applicability Source Text
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AD Final Rules - DRS_76-09-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-09-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Schempp Hirth Models Standard Cirrus and Burkhart Grob Gliders Subject: Aileron Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/20/1976 Make: Schempp-Hirth Flugzeugbau Model: Standard-Cirrus Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185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: 76-09-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2602 AD NUMBER: 76-09-10 SUBJECT HEADING: Airworthiness Directives; Schempp Hirth Models Standard Cirrus and Burkhart Grob Gliders ACTION: SUMMARY: DATES: Effective May 20, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-09-10 SCHEMPP HIRTH and BURKHART GROB: Amendment 39-2602. Applies to Standard Cirrus gliders, certificated in all categories, serial numbers 1 through 510, 528, and 529 for Schempp Hirth gliders and serial numbers 1G through 544G for Burkhart Grob gliders. Compliance is required within the next 100 flights after the effective date of this AD, unless already accomplished. To prevent possible jamming of the aileron control system and consequent loss of roll control, accomplish the following: (a) Install an SAE 1024 steel safety brace in the fuselage frame between the airbrake lever bearing and the left diagonal strut in accordance with Step 2 of the paragraph entitled "Instructions" of Schempp Hirth Technical Note 278-17, dated December 8, 1975, or an FAA- approved equivalent. (b) For the purpose of this AD, a flight is a sequence consisting of a takeoff operation and landing. This amendment becomes effective May 20, 1976. FOOTER:
Document Text
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AD Final Rules - DRS_76-09-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-09-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Schempp Hirth Models Standard Cirrus and Burkhart Grob Gliders Subject: Aileron Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/20/1976 Make: Schempp-Hirth Flugzeugbau Model: Standard-Cirrus Product Type: Aircraft Product Subtype: Glider 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: 76-09-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2602 AD NUMBER: 76-09-10 SUBJECT HEADING: Airworthiness Directives; Schempp Hirth Models Standard Cirrus and Burkhart Grob Gliders ACTION: SUMMARY: DATES: Effective May 20, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-09-10 SCHEMPP HIRTH and BURKHART GROB: Amendment 39-2602. Applies to Standard Cirrus gliders, certificated in all categories, serial numbers 1 through 510, 528, and 529 for Schempp Hirth gliders and serial numbers 1G through 544G for Burkhart Grob gliders. Compliance is required within the next 100 flights after the effective date of this AD, unless already accomplished. To prevent possible jamming of the aileron control system and consequent loss of roll control, accomplish the following: (a) Install an SAE 1024 steel safety brace in the fuselage frame between the airbrake lever bearing and the left diagonal strut in accordance with Step 2 of the paragraph entitled "Instructions" of Schempp Hirth Technical Note 278-17, dated December 8, 1975, or an FAA- approved equivalent. (b) For the purpose of this AD, a flight is a sequence consisting of a takeoff operation and landing. This amendment becomes effective May 20, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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