Airworthiness Directive · Amendment 39-18403 · Wings
Dassault Aviation Airplanes
This AD applies to Dassault Aviation airplanes specified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category.
(1) Dassault Aviation Model FALCON 900EX airplanes, all serial numbers on which Dassault Aviation Modification M5281 has been embodied, except those on which Dassault Aviation Modification M5870 has been embodied in production.
(2) Dassault Aviation Model FALCON 2000EX airplanes, all serial numbers on which Dassault Aviation Modification M2846 has been embodied, except those on which Dassault Aviation Modification M3678 has been embodied in production.
We are adopting a new airworthiness directive (AD) for certain Dassault Aviation Model FALCON 900EX and FALCON 2000EX airplanes. This AD was prompted by a report of significant fuel leakage at the middle position of the left outboard slat. This AD would require modifying the assembly of the slat extension mechanical stop. We are issuing this AD to prevent failure of the assembly of the slat extension mechanical stop, which if not corrected, could lead to a significant fuel leak and result in an uncontained fire.
Within 9 months or 440 flight hours, whichever occurs first after the effective date of this AD: Modify the assembly of the slat extension mechanical stop, in accordance with Accomplishment Instructions of Dassault Erratum Service Bulletin F900EX-450, dated July 16, 2014; or Dassault Erratum Service Bulletin F2000EX-344, dated July 16, 2014; as applicable.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
