AD 76-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Alexander Schleicher GmbH & Co. | Rhonlerche II | Airworthiness Directives; Alexander Schleicher Model Rhonlerche II Gliders |
Unsafe Condition
Cracks in the welded area between the flight control horizontal torsion tube and the front control stick mount could lead to front control stick separation from the mount.
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Required Actions
Within 10 hours time in service after the effective date, visually inspect the welded area with a 5 power magnifier per Technical Note No. 13. If cracks are found, repair and reinforce the area before further flight. If no cracks, reinforce the area within 100 hours time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours time in service after the effective date of this AD (for inspection); if cracks found, prior to further flight (for repair); if no cracks, within the next 100 hours time in service (for reinforcement).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Alexander Schleicher GmbH & Co. Model Rhonlerche II gliders, all serial numbers.
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Federal Register Abstract
Torsion Tube Mount Area
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-15-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-15-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Alexander Schleicher Model Rhonlerche II Gliders Subject: Torsion Tube Mount Area Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/02/1976 Make: Alexander Schleicher GmbH & Co. Model: Rhonlerche II Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-15-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2674 AD NUMBER: 76-15-02 SUBJECT HEADING: Airworthiness Directives; Alexander Schleicher Model Rhonlerche II Gliders ACTION: SUMMARY: DATES: Effective August 2, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-15-02 ALEXANDER SCHLEICHER: Amendment 39-2674. Applies to Rhonlerche II gliders, all serial numbers, certificated in all categories. Compliance is required as indicated, unless already accomplished. To detect cracks in the welded area between the flight control horizontal torsion tube and the front control stick mount and to prevent front control stick separation from the mount, accomplish the following: (a) Within the next 10 hours time in service after the effective date of this AD visually inspect with a 5 power magnifier the welded area between the flight control horizontal torsion tube and the front control stick mount in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. (b) If a crack is found in performing the inspection required by paragraph (a) of this AD, prior to further flight, repair cracks and reinforce the torsion tube-mount area in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. (c) If no crack is found in performing the inspection required by paragraph (a) of this AD, within the next 100 hours time in service after the effective date of this AD, reinforce the torsion tube-mount area in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. This amendment becomes effective August 2, 1976. FOOTER:
Document Text
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AD Final Rules - DRS_76-15-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-15-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Alexander Schleicher Model Rhonlerche II Gliders Subject: Torsion Tube Mount Area Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/02/1976 Make: Alexander Schleicher GmbH & Co. Model: Rhonlerche II 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: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-15-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2674 AD NUMBER: 76-15-02 SUBJECT HEADING: Airworthiness Directives; Alexander Schleicher Model Rhonlerche II Gliders ACTION: SUMMARY: DATES: Effective August 2, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-15-02 ALEXANDER SCHLEICHER: Amendment 39-2674. Applies to Rhonlerche II gliders, all serial numbers, certificated in all categories. Compliance is required as indicated, unless already accomplished. To detect cracks in the welded area between the flight control horizontal torsion tube and the front control stick mount and to prevent front control stick separation from the mount, accomplish the following: (a) Within the next 10 hours time in service after the effective date of this AD visually inspect with a 5 power magnifier the welded area between the flight control horizontal torsion tube and the front control stick mount in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. (b) If a crack is found in performing the inspection required by paragraph (a) of this AD, prior to further flight, repair cracks and reinforce the torsion tube-mount area in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. (c) If no crack is found in performing the inspection required by paragraph (a) of this AD, within the next 100 hours time in service after the effective date of this AD, reinforce the torsion tube-mount area in accordance with Alexander Schleicher Technical Note No. 13, page 1, dated June 23, 1975, and page 2, dated July 1, 1975, or an FAA-approved equivalent. This amendment becomes effective August 2, 1976. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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