- Effective
- October 13, 1975
- Models
- F.260, F.260B
- Data sheet
- TCDSA10EU
- Registered aircraft
- 11 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2378
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | ab202e21…2411df5 | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-21-01 SIAI-MARCHETTI: Amendment 39-2378. Applies to Models F.260 and 260B airplanes, Serial Numbers 101 thru 125, 2-26 thru 2-56, 3-76, 3-77, 3-80, and 502, except Serial Numbers 112, 2-33, 2-37, 2-43, 2-47, 2-53, and 2-54, 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.
To prevent failure of the landing gear actuator relay and subsequent inability to extend the landing gear by normal electrical means, replace the landing gear actuator relay, P/N 3311- 2(10A), with new relay, P/N MS 24166-D1(50A), and add a circuit breaker, P/N MS 3320-10, in accordance with the accomplishment instructions of SIAI-Marchetti Service Bulletin, S.B. No. 260B5B, dated December 22, 1973, or an FAA-approved equivalent.
This amendment becomes effective October 13, 1975.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 11
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 2 |
|---|---|
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
4 with no year recorded