77-07-02 AVIONS MARCEL DASSAULT (AMD): Amendment 39-2857. Applies to all Fan Jet Falcon airplanes, all series, certificated in all categories, not incorporating AMD Modification No. 2092.
Compliance is required within the next 300 hours time in service after the effective date of this AD, unless already accomplished.
To prevent possible horizontal stabilizer trim runaway, remove the positive voltage wire from the normally-closed contacts of the pilot's and copilot's horizontal stabilizer trim control switches in accordance with paragraphs 2B through 2F of the section entitled "Accomplishment Instructions" of AMD Service Bulletin No. 568, Revision 1 dated October 25, 1976, or an FAA- approved equivalent.
This amendment becomes effective April 7, 1977.