| AD Number | 67-30-04 | Status | Active |
| Effective Date | December 11, 1967 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-511 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Textron Aviation Inc. |
| Model(s) | DH.125 Series 1A DH.125 Series 1A-522 |
67-30-04 HAWKER SIDDELEY: Amdt. 39-511 Part 39 Federal Register November 10, 1967. Applies to Model DH-125 Series 1A and 1A-522 Airplanes, Serial Numbers 25013 through 25104.
Compliance required within the next 500 hours' time in service after the effective date of this AD, unless already accomplished.
To preclude the possibility of engine mount beam failure, modify the engine mount beam by removing the foam filler, reinforcing the lower flanges at the outboard ends with bar inserts and installing aluminum guard plates, in accordance with Hawker Siddeley Service Bulletin 53- 22-(1723). Revisions 1, dated April 10, 1967, or later ARB-approved revision or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.
This amendment effective December 11, 1967.