AD 64-14-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dornier-Werke GmbH | Do 27 Q-6 | Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft |
| aircraft | Dornier-Werke GmbH | Do 28 A-1 | Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft |
Unsafe Condition
Unintentional retraction of flaps due to levers without a control grip.
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Required Actions
Install a cover on all levers without control grips in accordance with Dornier Technical Bulletin No. 27-18 for Model DO-27 Q6 and Bulletin No. 28-12 for Model DO-28 A1.
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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-Werke GmbH Model DO-28 A1 (Serial Numbers 3024 through 3060) and Model DO-27 Q6 equipped with landing flap actuating levers without a control grip.
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Federal Register Abstract
Control Flap Lever
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-14-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-14-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft Subject: Control Flap Lever Status: Current Citation: Federal Register: June 16, 1964 Citation Publish Date: 06/16/1964 Effective Date: 07/17/1964 Make: Dornier-Werke GmbH Model: Do 27 Q-6 | Do 28 A-1 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-14-04 CITATION: [Federal Register: June 16, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-14-04 SUBJECT HEADING: Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft ACTION: SUMMARY: DATES: Effective July 17, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-14-04 DORNIER: Amdt. 748 Part 507 Federal Register June 16, 1964. Applies to Model DO-28 A1 Aircraft Serial Numbers 3024 through 3060 and All Model DO-27 Q6 Aircraft Equipped With Landing Flap Actuating Levers Without a Control Grip. Compliance required within the next 100 hours' time in service after the effective date of this AD. In order to preclude an unintentional retraction of flaps, modify all levers without control grips by installing a cover in accordance with Dornier Technical Bulletin No. 27-18 dated October 16, 1963, for Model DO-27 Q6 aircraft and Bulletin No. 28-12 dated October 16, 1963, for Model DO-28 A1 aircraft. (Dornier Technical Bulletins No. 27-18 dated October 16, 1963, and No. 28-12 dated October 16, 1963, cover this same subject.) This directive effective July 17, 1964. FOOTER:
Document Text
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AD Final Rules - DRS_64-14-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-14-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft Subject: Control Flap Lever Status: Current Citation: Federal Register: June 16, 1964 Citation Publish Date: 06/16/1964 Effective Date: 07/17/1964 Make: Dornier-Werke GmbH Model: Do 27 Q-6 | Do 28 A-1 Product Type: Aircraft Product Subtype: Small 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: 64-14-04 CITATION: [Federal Register: June 16, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-14-04 SUBJECT HEADING: Airworthiness Directives; Dornier Model DO-28 A1 and Model DO-27 Q6 Series Aircraft ACTION: SUMMARY: DATES: Effective July 17, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-14-04 DORNIER: Amdt. 748 Part 507 Federal Register June 16, 1964. Applies to Model DO-28 A1 Aircraft Serial Numbers 3024 through 3060 and All Model DO-27 Q6 Aircraft Equipped With Landing Flap Actuating Levers Without a Control Grip. Compliance required within the next 100 hours' time in service after the effective date of this AD. In order to preclude an unintentional retraction of flaps, modify all levers without control grips by installing a cover in accordance with Dornier Technical Bulletin No. 27-18 dated October 16, 1963, for Model DO-27 Q6 aircraft and Bulletin No. 28-12 dated October 16, 1963, for Model DO-28 A1 aircraft. (Dornier Technical Bulletins No. 27-18 dated October 16, 1963, and No. 28-12 dated October 16, 1963, cover this same subject.) This directive effective July 17, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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