80-02-06 AVIONS MARCEL DASSAULT - BREGUET AVIATION: Amendment 39- 3656. Applies to Fan Jet Falcon Series D, E and F airplanes, Serial numbers 1 through 404, certificated in all categories.
Compliance is required as indicated, unless already accomplished.
To reduce the possibility of flexible line failure in the engine fire extinguisher system, within the next 100 hours time in service after the effective date of this AD, unless already accomplished, in each engine fire extinguisher system, modify the rigid tubing and install a new flexible line in accordance with paragraph 2, "Accomplishment Instructions," of Avions Marcel Dassault, Service Bulletin No. 632, dated July 18, 1979, or an equivalent approved by the Chief, Aircraft Certification Staff, Federal Aviation Administration, Europe, Africa, and Middle East Region.
This amendment becomes effective January 24, 1980.