| AD Number | 75-17-10 | Status | Active |
| Effective Date | August 18, 1974 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-2312 |
| Product Type | ["Aircraft"] | Product Subtype | ["Glider"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Slingsby Aviation Ltd. |
| Model(s) | T.59.D Kestrel |
75-17-10 SLINGSBY SAILPLANES: Amendment 39-2312. Applies to T59D Kestrel gliders certificated in all categories.
Compliance is required as indicated, unless already accomplished.
To prevent structural failure of the elevator actuator bracket, accomplish the following:
(a) Within the next 10 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 5 hours' time in service, visually inspect the elevator actuator bracket P/N 59A-30-11 for cracks in the inside welded corners.
(b) If cracks are found, prior to further flight, replace the elevator actuator bracket, P/N 59A-30-11, with a machined aluminum bracket, P/N 59A-03-8A/B/C, in accordance with Slingsby Sailplanes Technical Instruction No. 65, Issue 2, dated May 23, 1974, or an FAA- approved equivalent.
(c) The inspections required by paragraph (a) of this AD may be discontinued after a machined aluminum elevator actuator bracket, P/N 59A-03-8A/B/C, has been installed in place of P/N 59A-30-11 in accordance with Slingsby Sailplanes Technical Instruction No. 65, Issue 2, dated May 23, 1974, or an FAA-approved equivalent.
This amendment becomes effective August 18, 1974.