AD 77-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes |
Unsafe Condition
Internal corrosion of the engine mount stay strut, part number 14 EM.337A, could lead to structural failure of the strut.
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Required Actions
Remove the stay strut and inspect using X-ray procedure per Hawker Siddeley Technical News Sheet No. E.8 or FAA-approved equivalent. Replace any strut showing internal corrosion with a new or serviceable part of the same part number free of corrosion.
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Compliance Time
within the next 50 hours time in service after the effective date of this AD
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Affected Aircraft
Hawker Siddeley Aviation, Ltd Model DH-114 airplanes (D.H.114 Heron Series 2A, 2DA, 2X) not equipped with engine mount stay struts marked Issue 2 or subsequent or marked 'DOI No. 68640'
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Federal Register Abstract
Engine Mount Stay Strut
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-12-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-12-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes Subject: Engine Mount Stay Strut Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/18/1977 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Heron Series 2DA | D.H.114 Heron Series 2X Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-12-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2920 AD NUMBER: 77-12-03 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes ACTION: SUMMARY: DATES: Effective July 18, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-12-03 HAWKER SIDDELEY AVIATION, LTD: Amendment 39-2920. Applies to Model DH-114 airplanes, certificated in all categories, that are not equipped with engine mount stay struts marked as Issue 2 or subsequent or marked "DOI No. 68640." Compliance is required within the next 50 hours time in service after the effective date of this AD, unless already accomplished. To detect internal corrosion of the engine mount stay strut, P/N 14 EM.337A, accomplish the following: (a) Remove the stay strut from the aircraft and inspect in accordance with the X-ray procedure of Appendix I of Hawker Siddeley Technical News Sheet No. E.8, dated March 19, 1973, or an FAA-approved equivalent. (b) Replace any strut for which internal corrosion is detected by the inspection required by paragraph (a) of this AD with a new part or otherwise serviceable spare part of the same part number determined to be free of internal corrosion by the inspection required by paragraph (a) of this AD or an FAA-approved equivalent. (c) It is requested that copies of the X-rays, or results of an FAA-approved equivalent inspection, be forwarded to the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, N.Y. 09667. (Reporting approved by the Office of Management and Budget under OMB No. 04-RO-174). This amendment becomes effective July 18, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-12-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-12-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes Subject: Engine Mount Stay Strut Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/18/1977 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: 77-12-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2920 AD NUMBER: 77-12-03 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation, Ltd Model DH-114 Airplanes ACTION: SUMMARY: DATES: Effective July 18, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-12-03 HAWKER SIDDELEY AVIATION, LTD: Amendment 39-2920. Applies to Model DH-114 airplanes, certificated in all categories, that are not equipped with engine mount stay struts marked as Issue 2 or subsequent or marked "DOI No. 68640." Compliance is required within the next 50 hours time in service after the effective date of this AD, unless already accomplished. To detect internal corrosion of the engine mount stay strut, P/N 14 EM.337A, accomplish the following: (a) Remove the stay strut from the aircraft and inspect in accordance with the X-ray procedure of Appendix I of Hawker Siddeley Technical News Sheet No. E.8, dated March 19, 1973, or an FAA-approved equivalent. (b) Replace any strut for which internal corrosion is detected by the inspection required by paragraph (a) of this AD with a new part or otherwise serviceable spare part of the same part number determined to be free of internal corrosion by the inspection required by paragraph (a) of this AD or an FAA-approved equivalent. (c) It is requested that copies of the X-rays, or results of an FAA-approved equivalent inspection, be forwarded to the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, N.Y. 09667. (Reporting approved by the Office of Management and Budget under OMB No. 04-RO-174). This amendment becomes effective July 18, 1977. FOOTER:
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