AD 82-25-02

82-25-02 AVIONS MARCEL DASSAULT - BREGUET AVIATION: Amendment 39-4502. Applies to all AMD-BA Falcon 10 airplanes certificated in all categories. Compliance is required within the next 250 hours time in service or 90 days, whichever occurs first, after the effective date of this AD, unless already accomplished.

1. To prevent the potential failure of the landing gear to extend or retract, inspect and modify or replace, if necessary, (a) the pilot valve ball pushrod; (b) the selector solenoid valve; and (c) the spring in the landing gear control selector solenoid valve assembly in accordance with the Accomplishment Instructions of Avions Marcel Dassault-Breguet Aviation Service Bulletin Nos. F10-0149, Revision 1, dated November 22, 1978; F10-0168, Revision 1, dated February 8, 1979; F10-0173 dated November 22, 1978; and F10-0174 dated November 22, 1978.

2. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

3. 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 inspections and/or modifications required by this AD.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective December 6, 1982.