Airworthiness Directive · Amendment 39-19072 · Fire protection
Dassault Aviation Airplanes
This AD applies to the airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category.
(1) Dassault Aviation Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes, all manufacturer serial numbers.
(2) Dassault Aviation Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes, all manufacturer serial numbers.
We are adopting a new airworthiness directive (AD) for all Dassault Aviation Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G; and Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes. This AD was prompted by reports of defective fire extinguisher tubes. This AD requires replacement of the affected fire extinguisher tubes with improved fire extinguisher tubes. We are issuing this AD to address the unsafe condition on these products.
Within 450 flight cycles or 450 flight hours, whichever occurs later after the effective date of this AD, replace each affected fire extinguisher tube, part number (P/N) MY20791-121 and P/N MY20791-122, with a serviceable fire extinguisher tube,P/N MY20791-121-1 or P/N MY20791-122-1, as applicable, in accordance with the Accomplishment Instructions of Dassault Service Bulletin F20-790, dated September 14, 2016.