- Effective
- December 6, 1978
- Models
- DC-10-10, DC-10-10F, DC-10-30, DC-10-30F (KC-10A, KDC-10), DC-10-40
- Data sheet
- TCDSA22WE
- Registered aircraft
- 25 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-3310
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.
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On this page
The airworthiness directive
78-20-10 MCDONNELL DOUGLAS: Amendment 39-3310. Applies to DC-10-10, -10F, -30, -30F, and -40 airplanes certificated in all categories.
Compliance required within the next 1800 hours time in service after the effective date of this AD, unless already accomplished.
To prevent the loss of related powered flight controls due to loss of fluid through brake return line failure accomplish the following:
(a) Revise hydraulic system 1 and 3 by installing three check valves and, when applicable, new hydraulic piping, in accordance with McDonnell Douglas DC-10 Service Bulletin No. A29-113, Revision 2, dated April 4, 1978.
NOTE: Service Bulletin A29-113, Revision 2, dated April 4, 1978, is the only version of this service bulletin suitable for compliance with paragraph (a) of this AD.
(b) Equivalent modifications may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the inspections required by this AD.
This amendment becomes effective December 6, 1978.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 25
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1975 | 1 |
|---|---|
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1988 | 1 |
19 with no year recorded