Back to AD

AD 77-14-15 ACTIVE

Corrosion of Engine Mount Stay Strut
Key Information
AD Number 77-14-15 Status Active
Effective Date August 08, 1977 Issue Date Not specified
Docket Number Unknown Amendment 39-2957
Product Type ["Aircraft"] Product Subtype ["Small Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) de Havilland Aircraft Co., Ltd., The
Model(s) D.H. 104 Dove Series 1A D.H. 104 Dove Series 2A D.H. 104 Dove Series 5A D.H. 104 Dove Series 5BA D.H. 104 Dove Series 6A D.H. 104 Dove Series 6BA D.H. 104 Dove Series 7A D.H. 104 Dove Series 7AXC D.H. 104 Dove Series 8A D.H. 104 Dove Series 8AXC
Regulatory Text

77-14-15 HAWKER SIDDELEY AVIATION, LTD: Amendment 39-2957. Applies to DH-104 airplanes, certificated in all categories, that are not equipped with engine mount stay struts marked as Issue 7 or subsequent or marked "DOI No. 68639".

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 4 EM.357A and P/N 4 EM.359A, accomplish the following:

(a) Remove the stay struts from the aircraft and inspect in accordance with the X-ray procedure of Appendix 1 of Hawker Siddeley Technical News Sheet No. 229, dated March 19, 1973, or an FAA-approved equivalent.

(b) Replace any stay 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 August 8, 1977.