Airworthiness Directive · Amendment 39-16194 · Oxygen
Dassault-Aviation Model Falcon 900EX Airplanes
This AD applies to Dassault-Aviation Model Falcon 900EX airplanes, certificated in any category, with serial numbers 120 through 123 inclusive, 125 through 127 inclusive, 129, 132, 134 through 145 inclusive, 147, 151, 153, 155, 157 through 159 inclusive, 163, 165, 168 through 170 inclusive, 172, 174, 178, 182, 183, 194, 196, 197, 199, and 206.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions.
(1) Within 2 months after the effective date of this AD, inspect the oxygen lines in accordance with Part 1 of the Accomplishment Instructions of Dassault Mandatory Service Bulletin F900EX-347, Revision 1, dated May 18, 2009. If any interference or damage is found, before further flight, replace the oxygen lines and install improved brackets, in accordance with Part 2 of the Accomplishment Instructions of Dassault Mandatory Service Bulletin F900EX-347, Revision 1, dated May 18, 2009.
(2) If no interference and no damage are found during the inspection required by paragraph (f)(1) of this AD: Within 72 months after the effective date of this AD, replace the oxygen line support assemblies, in accordance with Part 2 of the Accomplishment Instructions of Dassault Mandatory Service Bulletin F900EX-347, Revision 1, dated May 18, 2009.
(3) Actions accomplished before the effective date of this AD in accordance with Dassault Mandatory Service Bulletin F900EX-347, dated March 19, 2009, are acceptable for compliance with corresponding actions specified in this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
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.
Aircraft
