| AD Number | 75-16-17 | Status | Active |
| Effective Date | July 29, 1975 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-2291 |
| Product Type | ["Aircraft"] | Product Subtype | ["Glider"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Szybowcowy Zaklad Doswiadczalny |
| Model(s) | SZD-24-4A Foka-4 |
75-16-17 SZYBOWCOWY ZAKLAD DOSWIADCZALNY: Amendment 39-2291. Applies to SZD-24-4A FOKA 4 gliders, all serial numbers, certificated in all categories.
Compliance is required within the next 10 hours time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals of 50 hours time in service from the last inspection.
To prevent structural failure of wing, fuselage, and tailplane, accomplish the following:
1. Inspect the wing, fuselage, tailplane and associated components or parts in accordance with "Detailed Range of the Glider Inspection", paragraphs 2.1 thru 2.4.5 of Annex Nr. 1 of SZD-24-4A Service Manual Edition II, dated 1967, or an FAA approved equivalent.
2. Repair or replace parts, components, or structure found to be unserviceable in accordance with "Removing of the Faults", paragraphs 3.1 thru 3.6 of Annex Nr. 1 of SZD-24-4A Service Manual Edition II, dated 1967, or an FAA-approved equivalent.
This amendment becomes effective July 29, 1975.