AD 70-21-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dornier Luftfahrt GmbH | Do 28 D-1 | Airworthiness Directives; Dornier, Ag Model DO-28D-1 Airplanes |
Unsafe Condition
Separation of the skin from the cabin door structure
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install additional screws in accordance with Dornier Service Bulletin No. 015-1206, dated October 1, 1969, or later LBA-approved issue or an FAA-approved equivalent.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Dornier Luftfahrt GmbH Model Do 28 D-1 airplanes
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Federal Register Abstract
Cabin Door Structure
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier, Ag Model DO-28D-1 Airplanes Subject: Cabin Door Structure Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/05/1970 Make: Dornier Luftfahrt GmbH Model: Do 28 D-1 Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 70-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1091 AD NUMBER: 70-21-01 SUBJECT HEADING: Airworthiness Directives; Dornier, Ag Model DO-28D-1 Airplanes ACTION: SUMMARY: DATES: Effective November 5, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-21-01 DORNIER, AG: Amdt. 39-1091. Applies to Model DO-28D-1 airplanes. To prevent separation of the skin from the cabin door structure, within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, secure the door skin by installing additional screws in accordance with Dornier Service Bulletin No. 015- 1206, dated October 1, 1969, or later LBA-approved issue or an FAA-approved equivalent. This amendment becomes effective November 5, 1970. FOOTER:
Document Text
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AD Final Rules - DRS_70-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier, Ag Model DO-28D-1 Airplanes Subject: Cabin Door Structure Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/05/1970 Make: Dornier Luftfahrt GmbH Model: Do 28 D-1 Product Type: Aircraft Product Subtype: Small/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: 70-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1091 AD NUMBER: 70-21-01 SUBJECT HEADING: Airworthiness Directives; Dornier, Ag Model DO-28D-1 Airplanes ACTION: SUMMARY: DATES: Effective November 5, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-21-01 DORNIER, AG: Amdt. 39-1091. Applies to Model DO-28D-1 airplanes. To prevent separation of the skin from the cabin door structure, within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, secure the door skin by installing additional screws in accordance with Dornier Service Bulletin No. 015- 1206, dated October 1, 1969, or later LBA-approved issue or an FAA-approved equivalent. This amendment becomes effective November 5, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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