AD 84-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes |
Unsafe Condition
Fatigue failure of the tailplane upper pick-up eyebolts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the eyebolts, modify the eyebolt holes, and install new eyebolts in accordance with British Aerospace Aircraft Group Technical News Sheet No. F.21, Issue 1, dated January 8, 1979. Alternate means of compliance may be used if approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 90 days after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Eyebolt Holes Modification
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-20-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-20-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes Subject: Eyebolt Holes Modification Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/05/1984 Make: de Havilland Aircraft Co., Ltd., The Model: D.H.114 Heron Series 2A | D.H.114 Heron Series 2DA | D.H.114 Heron Series 2X Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-20-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4924 AD NUMBER: 84-20-04 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes ACTION: SUMMARY: DATES: Effective November 5, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-20-04 BRITISH AEROSPACE, INC.: Amendment 39-4924. Applies to Model DH-114 Heron series 2A, 2DA, and 2X airplanes certificated in all categories. Compliance is required as indicated. To prevent fatigue failure of the tailplane upper pick-up eyebolts, accomplish the following within 90 days after the effective date of this AD, unless already accomplished: A. Remove the eyebolts, modify the eyebolt holes, and install new eyebolts in accordance with paragraphs 4.1, 4.2, and 4.3, respectively, of British Aerospace Aircraft Group Technical News Sheet No. F.21, Issue 1, dated January 8, 1979. B. Alternate means of compliance which provide an equivalent level of safety maybe used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective November 5, 1984. FOOTER:
Document Text
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AD Final Rules - DRS_84-20-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-20-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes Subject: Eyebolt Holes Modification Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/05/1984 Make: de Havilland Aircraft Co., Ltd., The Model: D.H.114 Heron Series 2A | D.H.114 Heron Series 2DA | D.H.114 Heron Series 2X 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: 84-20-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4924 AD NUMBER: 84-20-04 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model DH-114 Heron series 2A, 2DA, and 2X Series Airplanes ACTION: SUMMARY: DATES: Effective November 5, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-20-04 BRITISH AEROSPACE, INC.: Amendment 39-4924. Applies to Model DH-114 Heron series 2A, 2DA, and 2X airplanes certificated in all categories. Compliance is required as indicated. To prevent fatigue failure of the tailplane upper pick-up eyebolts, accomplish the following within 90 days after the effective date of this AD, unless already accomplished: A. Remove the eyebolts, modify the eyebolt holes, and install new eyebolts in accordance with paragraphs 4.1, 4.2, and 4.3, respectively, of British Aerospace Aircraft Group Technical News Sheet No. F.21, Issue 1, dated January 8, 1979. B. Alternate means of compliance which provide an equivalent level of safety maybe used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective November 5, 1984. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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