AD 75-23-01
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scheibe-Flugzeugbau GmbH | SF 27A | Airworthiness Directives; Scheibe-Flugzeugbau Model SF 27A Gliders |
Unsafe Condition
Failure of the welded area of the elevator actuating lever of the elevator driveshaft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the welded area for cracks within 10 hours' time in service after the effective date. If cracks are found, repair the weld and apply a new reinforcing plate before further flight. If no cracks are found, apply the new reinforcing plate 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 are found, before further flight (for repair). If no cracks are found, within the next 100 hours' time in service (for modification).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Scheibe-Flugzeugbau GmbH Model SF 27A gliders, serial numbers 6001 to 6105 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Actuating Lever
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-23-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-23-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Scheibe-Flugzeugbau Model SF 27A Gliders Subject: Elevator Actuating Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/14/1975 Make: Scheibe-Flugzeugbau GmbH Model: SF 27A Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-23-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2412 AD NUMBER: 75-23-01 SUBJECT HEADING: Airworthiness Directives; Scheibe-Flugzeugbau Model SF 27A Gliders ACTION: SUMMARY: DATES: Effective November 14, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-23-01 SCHEIBE FLUGZEUGBAU GmbH: Amendment 39-2412. Applies to SF 27A gliders, serial numbers 6001 to 6105 inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the welded area of the elevator actuating lever of the elevator driveshaft, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, inspect the welded area of the elevator actuating lever of the elevator drive shaft for cracks in accordance with No. 1 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257- 1/74, translation dated 26 June, 1975, or an FAA-approved equivalent. (b) If cracks are found, before further flight, repair the weld and modify the elevator drive shaft by applying a new reinforcing plate in accordance with No. 2 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257-1/74, translation dated 26 June 1975, or an FAA-approved equivalent. (c) If no cracks are found, within the next 100 hours' time in service after the effective date of this AD, modify the elevator drive shaft by applying a new reinforcing plate in accordance with No. 2 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257- 1/74 translation dated June 26, 1975, or an FAA-approved equivalent. This amendment becomes effective November 14, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-23-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-23-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Scheibe-Flugzeugbau Model SF 27A Gliders Subject: Elevator Actuating Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/14/1975 Make: Scheibe-Flugzeugbau GmbH Model: SF 27A 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: 75-23-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2412 AD NUMBER: 75-23-01 SUBJECT HEADING: Airworthiness Directives; Scheibe-Flugzeugbau Model SF 27A Gliders ACTION: SUMMARY: DATES: Effective November 14, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-23-01 SCHEIBE FLUGZEUGBAU GmbH: Amendment 39-2412. Applies to SF 27A gliders, serial numbers 6001 to 6105 inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the welded area of the elevator actuating lever of the elevator driveshaft, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, inspect the welded area of the elevator actuating lever of the elevator drive shaft for cracks in accordance with No. 1 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257- 1/74, translation dated 26 June, 1975, or an FAA-approved equivalent. (b) If cracks are found, before further flight, repair the weld and modify the elevator drive shaft by applying a new reinforcing plate in accordance with No. 2 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257-1/74, translation dated 26 June 1975, or an FAA-approved equivalent. (c) If no cracks are found, within the next 100 hours' time in service after the effective date of this AD, modify the elevator drive shaft by applying a new reinforcing plate in accordance with No. 2 of the Action paragraph of Scheibe Flugzeugbau Technical Note No. 257- 1/74 translation dated June 26, 1975, or an FAA-approved equivalent. This amendment becomes effective November 14, 1975. FOOTER:
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Retrieved: Apr 8, 2026
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