AD 81-21-03
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 1B and All Series 2 Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes |
Unsafe Condition
Wing leading edge access doors may not remain properly secured, which could result in door failure during flight.
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Required Actions
Modify the wing leading edge access doors in accordance with British Aerospace Corp. Manufacturer's Technical News Sheet W.1 1, Issue 2, and Modification No. Heron 1171 (Amendment No. 1 incorporated) dated October 17, 1961, or later FAA approved revisions. Alternate means of compliance may be used if approved by the Chief, Seattle Area Aircraft Certification Office.
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Compliance Time
Within 350 hours time in service after the effective date of this AD
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Affected Aircraft
British Aerospace Model DH-114 Heron Series 1B and all series 2 airplanes modified with Modification 154 or 469
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Federal Register Abstract
Wing Leading Edge Access Doors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-21-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-21-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes Subject: Wing Leading Edge Access Doors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/18/1981 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Heron Series 2DA | D.H.114 Heron Series 2X Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-21-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4229 AD NUMBER: 81-21-03 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes ACTION: SUMMARY: DATES: Effective October 18, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-21-03 BRITISH AEROSPACE CORPORATION: Amendment 39-4229. Applies to all operators of DH-114 Heron Series 1B and all series 2 airplanes which have been modified in accordance with Modification 154 or 469. To ensure wing leading edge access doors remain properly secured, accomplish the following unless already accomplished: 1. Within 350 hours time in service after the effective date of this AD, modify the wing leading edge access doors in accordance with British Aerospace Corp. Manufacturer's Technical News Sheet W.1 1, Issue 2, and Modification No. Heron 1171 (Amendment No. 1 incorporated) dated October 17, 1961, or a later FAA approved revision. 2. Alternate means of compliance may be used which provide an equivalent level of safety when approved by the Chief, Seattle Area Aircraft Certification Office, FAA, Northwest Region. 3. Airplanes may be flown to a maintenance base for repairs or replacement in accordance with FAR 21.197. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the addresses listed above. These documents may also be examined at FAA, Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108. This amendment becomes effective October 18, 1981. FOOTER:
Document Text
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AD Final Rules - DRS_81-21-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-21-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes Subject: Wing Leading Edge Access Doors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/18/1981 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: 81-21-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4229 AD NUMBER: 81-21-03 SUBJECT HEADING: Airworthiness Directives; British Aerospace Model DH-114 Heron Series 1B and All Series 2 Airplanes ACTION: SUMMARY: DATES: Effective October 18, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-21-03 BRITISH AEROSPACE CORPORATION: Amendment 39-4229. Applies to all operators of DH-114 Heron Series 1B and all series 2 airplanes which have been modified in accordance with Modification 154 or 469. To ensure wing leading edge access doors remain properly secured, accomplish the following unless already accomplished: 1. Within 350 hours time in service after the effective date of this AD, modify the wing leading edge access doors in accordance with British Aerospace Corp. Manufacturer's Technical News Sheet W.1 1, Issue 2, and Modification No. Heron 1171 (Amendment No. 1 incorporated) dated October 17, 1961, or a later FAA approved revision. 2. Alternate means of compliance may be used which provide an equivalent level of safety when approved by the Chief, Seattle Area Aircraft Certification Office, FAA, Northwest Region. 3. Airplanes may be flown to a maintenance base for repairs or replacement in accordance with FAR 21.197. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the addresses listed above. These documents may also be examined at FAA, Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108. This amendment becomes effective October 18, 1981. FOOTER:
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